N403QX

Part: NONE — NONE · airframe 46,622 hrs · 49,450 cycles

LEFT MAIN GEAR DOOR FAILED TO RETRACT. ACCOMPLISHED ALTERNATE GEAR EXTENSION. REMOVED FROM SERVICE. PSEU SHOWS NO RELATED FAULTS. PERFORMED FIM TASK 32-00-00-810-823 STEPS 1 THRU 5A (3)(A). NO DISCREPANCY. ( #1 MLG DOOR SSV COIL RESISTANCE VALUE = 20 OHM, WITHIN LIMIT. REF AMM 32-31-41-760-801.) PERFORMED OPERATIONAL TEST OF MLG EXTENSION & RETRACTION IAW AMM TASK 32-31-00-710-801 ( 10 RETRACT & EXTEND CYCLES ) NO DISCREPANCY. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: NONE — NONE (ZONE 200) · airframe 46,343 hrs · 49,166 cycles

DURING CLIMB, NOTICED BOTH YOKES VIBRATING EXCESSIVELY, SIMILAR TO TAXIING ON ROUGH SURFACE. WHEN FINGER PRESSURE WAS APPLIED TO LEFT SIDE OF BOTH YOKES VIBRATION WAS PRONOUNCED. FINGER PRESSURE ON RIGHT SIDE OF YOKE RESULTED IN NO VIBRATION. AUTOPILOT ON WHOLE TIME. VIBRATION REMAIN @ 900 & 850 RPM. VIBRATION DIMINISHED DURING CRUISE @ HIGHER SPEEDS. REMOVED FROM SERVICE. C/W AIRFRAME INSPECTION FOUND #1 ENGINE AFT OUTBOARD EXHAUST FINGERNAIL BRACKET BROKEN. REPLACED IAW RD 8/4-54-26 11/1. C/W 6 BLADE RETORQUE AND PROP BALANCE. A/P PLACED ON MEL DUE TO ROLL SERVO CHATTER. MEL CLEARED BY REPLACING THE ROLL ACTUATOR. PERFORMED OPERATION CHECK FLIGHT AND PASSED. RETURNED TO SERVICE.

Part: NONE — NONE · airframe 46,336 hrs · 49,159 cycles

REPAIR DOUBLER ON TOP LEFT SIDE OF TRAILING RUDDER MISSING RIVETS AND HAS A CRACK RUNNING BETWEEK RIVETS. FOUND CRACK ON REPAIR DOUBLER REMOVED REPAIR DOUBLER FROM THE RUDDER. CLEANED CUT OUT AREA TO REMOVE CRACK DAMAGE. C/W HFEC NO CRACKS FOUND. FABRICATED NEW REPAIR DOUBLER AND INSTALLED ALODINE AND PRIMED. INSTALLED NEW DOUBLER.

Part: ACTUATOR — MALFUNCTIONED (ZONE 700) · airframe 46,335 hrs · 49,157 cycles

LT MAIN GEAR RETRACTED SLOWER THAN THE RT AND NOSE GEAR 8 SEC DELAY. ALL OPS NORMAL ON LANDING. PLACED ON MEL 32-30-1. CLEARED 10/2 BY CHECKING PSEU AND FOUND "LGUPLK FAULT UNRSNARL FAR" AND "LGDRCL FAULT UNRSNABL FAR" FOR LEG OF DISCREPANCY. LEFT GEAR UPLOCK AND LEFT GEAR DOOR CLOSED PROXIMITY SENSORS INDUCTANCE VALUE CHECKS GOOD NIAW DHC-8-400MM TASK#32-61-00-280-801. LANDING GEAR OPERATIONAL TEST GOOD AT HIGH & LOW FLOWS IAW DHC-8-400MM TASK #32-31-00-710-801. BEGAN REPLACEMENT OF LEFT MAIN GEAR RETRACTION ACTUATOR IAW DHC-8-400 MM TASK #'S32-31-11-000-801 AND 32-31-11-400-801 PARAGRAPHS 1 THRU 4. REMOVED ACTUATOR APPEARED TO BE ADJUSTED TOO LONG. COMPLETED INSTALLATION OF LH MLG RETRACTION ACTUATOR IAW Q400 AMM 32-31-11-400-801 PARA. 5. A.-G. OPS CHECK OF MAIN LANDING GEAR PRIMARY EXTENSION AND RETRACTION SYSTEM OPS CHECKS GOOD WITH NO FURTHER RIGGING OF SERVICEABLE LH MLG RETRACTION ACTUATOR ROD END REQUIRED. ACTUATOR AND ASSOCIATED FLUID CONNECTIONS LEAK CHECK GOOD. RETURNED TO SERVICE.

Part: BATTERY PACK — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 46,247 hrs · 49,068 cycles

WHEN A/C ARRIVED TO HANGAR, FWD EMERGENCY LIGHTS WERE ILLUMINATED WITH THE EMERGENCY LIGHT SWITCH SET TO "OFF". REMOVED AND INSTALLED BATTERIES INTO NEW POWER SUPPLY IN FORWARD MOST POWER SUPPLY PER AMM 33-51-01-000-802 AND 33-51-01-400-801. REMOVED AND REPLACED MOST FORWARD EMERGENCY LIGHT POWER SUPPLY IAW Q400 AMM 33-51-01-400-801, 33-51-01-000-801. OPS CHECK GOOD.

Part: COVER — DETACHED (EMERGENCY LIGHT) · airframe 45,630 hrs · 48,482 cycles

LIGHTED EMERGENCY EXIT SIGN FORWARD OF DITCHING DAM COVER FELL OFF. REMOVED FROM SERVICE. REINSTALLED COVER, CONFIRMED SECURE. A/C OK FOR SERVICE.

Part: LENS — LOOSE (EMERGENCY LIGHT) · airframe 45,477 hrs · 48,330 cycles

EXIT LIGHT ON LOWER -LEFT SIDE OF TYPE II/III DOOR HAS LOOSE LENS COVER. REMOVED FROM SERVICE. RESECURED EXIT LIGHT BOTTOM COVER DOOR TYPE II/III LENS COVER.NO OTHER DEFECTS NOTED.

Part: ACTUATOR — MALFUNCTIONED (RT MLG) · airframe 45,444 hrs · 48,298 cycles

ON EXTENSION NOTICED RIGHT MAIN GEAR TOOK 2-4 SECONDS LONGER THAN LMG AND NG TO EXTEND. NO CAUTION NOTED. REMOVED FROM SERVICE. R+R R/H MLG RETRACTION ACTUATOR PER Q400 AMM 32-31-11-000-801, N/A PAR. 4A, AND Q400 AMM 32-31-11-400-801 PAR. 1-5C, N/A PAR. 4A. R/H MLG STILL SLOW TO EXTEND/RETRACT. DISCONNECTED RIGHT ALTERNATE EXTENSION ACTUATOR FROM MLG YOKE IAW DHC-8-400 MM TASK # 32-34-06-000-801 PARAGRAPH 4A STEP(2) AND SECURED CLEAR OF GEAR. RIGHT MAIN GEAR STILL SLOW TO RETRACT & EXTEND. RE-CONNECTED RIGHT ALTERNATE EXTENSION ACTUATOR TO MLG YOKE IAW DHC-8-400 MM TASK # 32-34-06-400-801 PARAGRAPH 4A STEPS (2) & (4). ALL OTHER STEPS AND PARAGRAPHS N/A BECAUSE ACTUATOR WAS NOT REMOVED. PERFORMED RIGGING OF R/H MLG MECHANICAL SEQUENCE VALVE PER Q400 AMM 32-31-36-830-801.COMPLETED INSTALLATION OF R/H MLG RETRACTION ACTUATOR PER Q400 AMM 32-31-11-400-801, STEPS 5D-5G. OPS CHECK GOOD IAW 32-31-00-710-801 AND COC HS# 32-0068. NO DEFECTS NOTED. PERFORMED FUNCTIONAL TEST OF LANDING GEAR EXTENSION/RETRACTION SYSTEM PER Q400 AMM 32-31-00-720-801. FUNCTIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: IGNITER — FAULTED (APU) · airframe 45,406 hrs · 48,257 cycles

RAMP REPORTED SMOKE & FIRE SHOOTING OUT APU EXHAUST FOR A FEW SECONDS AFTER START UP. PLACED APU ON MEL. 5/1/21 PERFORMED OPS CHECK OF APU PER AMM TASK 49-00-00-710-801. OPS CHECK GOOD. STARTED 2 ADDITIONAL TIMES- NO SMOKE OR FLAMES NOTED. INTERROGATED CDS AND FOUND NUMEROUS IGNITER A AND IGNITER B OPEN FAULTS. REPLACED BOTH IGNITER PLUGS PER AMM TASKS 49-40-04-000-801 AND 49-40-04-400-801. OPS CHECK GOOD. CLEARS MEL. RETURNED TO SERVICE.

Part: EXHAUST DUCT — FIRE (APU) · airframe 45,403 hrs · 48,253 cycles

RAMP REPORTED APU HAD A FLAME EXTEND FROM EXHAUST. REMOVED FROM SERVICE. PERFORMED OPS TEST OF APU PER Q400 AMM 49-00-00-710-801. OPS TEST GOOD. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LENS — DETACHED (EMERGENCY LIGHTS) · airframe 45,397 hrs · 48,248 cycles

PLASTIC EXIT SIGN COVER FOR TYPE II/III EXIT DOOR CAME OFF. REMOVED FROM SERVICE. REINSTALLED LIGHT COVER. COVER SECURE. AIRCRAFT RETURNED TO SERVICE.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 45,358 hrs · 48,209 cycles

FORWARD FA EMERGENCY LIGHTS SWITCH "NORMAL" LIGHT IS INOP. RELAMPED THE SWITCH, CHECKS GOOD.

Part: SIGHT TUBE — LOOSE (EMERGENCY LIGHTS) · airframe 44,985 hrs · 47,830 cycles

ON DESCENT, WE HIT SEVERE TURBULENCE AND THE SMALL EMERGENCY SIGN IN 2+D/TYPE II/III DOOR CAME LOOSE. REMOVED FROM SERVICE. FOUND EMERGENCY SIGN DISLODGED FROM TYPE II/III DOOR. RE SECURED SIGN AS NECESSARY. AIRCRAFT GOOD FOR SERVICE.

Part: NONE — NONE (LANDING GEAR) · airframe 44,962 hrs · 47,807 cycles

LEFT MAIN GEAR TAKES APPROX 2-3 SECONDS LONGER TO RETRACT THAN THE NOSE + RIGHT GEAR. EXTENSION IS NORMAL. RED LEFT ANNUNCIATION ON GEAR INDICATION HAVE APPROX 1 SEC DELAY BETWEEN RED + AMBER EXTINGUISHING. REMOVED FROM SERVICE. PERFORMED FUNCTIONAL TEST OF THE LANDING GEAR PRIMARY EXTENSION + RETRACTION SYSTEM IAW Q400 AMM TASK 32-31-00-720-801. RETRACTION / EXTENSION TIMES ARE WITHIN LIMITATIONS. TASK STEP 4A(8) NOTE: "GEAR DOOR MUST CLOSE (AMBER) 1 SEC AFTER LDG GEAR UPLOCK (RED). FUNCTIONAL CK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: OIL SYSTEM — LOW PRESSURE (NR 2 ENGINE) · airframe 44,926 hrs · 47,768 cycles

AROUND 13,000 NOTICED NR 2 ENGINE OIL PRESS WARNING LIGHT ILLUMINATED + OIL PRESS FLUCTUATING RAPIDLY. WENT FROM NORMAL GREEN ARC TO RED MIN LINE. OIL TEMPT WAS NORMAL ONLY CAUTION LIGHT WAS NR 2 ENGINE OIL PRESS WARN 65PSI-31PSI. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REMOVED NR 2 ENGINE OPERATIONS CHECKS AND FUNCTIONAL CHECKS GOOD. A/C RETURNED TO SERVICE. AIRCRAFT RETURNED TO SERVICE.

Part: LINKAGE — WORN (LT MLG DOOR) · airframe 44,902 hrs · 47,747 cycles

ON TAKE OFF GEAR RETRACTION LT MAIN GEAR IS VERY SLOW TO RETRACT. NOSE AND RT MAIN RETRACT ABOUT 5 SECONDS LATER THE LEFT MAIN WILL RETRACT. GEAR COMES DOWN FINE, DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. ADJUSTED LEFT MAIN GEAR DOOR CLOSED PROXIMITY SENSOR DUE TO PSEU FAULT LDGR CL FAULT UNRSNABL FAR" ON LEG FOR THIS DISCREPANCY. REPLACED LEFT MAIN GEAR DOOR MECHANISM DUE TO EXCESSIVE PLAY BETWEEN LOCK LINKS AND AT MECHANICAL SEQUENCE VALVE LINK ATTACH POINT. BYPASS CHECK OF LEFT MAIN GEAR RETRACTION AND DOOR ACTUATORS. NO BYPASSING WAS FOUND. PERFORMED 5 LANDING GEAR RETRACTION AND EXTENSION FUNCTIONAL TESTS, IAW DHC-8-400 MM TASK NR 32-31-00-720-801 AND 1 OPERATIONAL TEST OF ALTERNATE EXTENSION SYSTEM, IAW DHC-8-400 MM TASK 32-34-00-710-801. ALL FUNCTIONAL AND OPERATIONAL TESTS WERE GOOD. RETURNED TO SERVICE.

Part: CONTROL VALVE — MALFUNCTIONED (FLOW) · airframe 44,732 hrs · 47,583 cycles

CABIN PRESS WARNING CLIMBING THROUGH. BLEED AIR FLOW NORMAL RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. CDS SHOWED NO FAULTS FOR CPC, L NAPRSOV AND PACK FCV FAULTED IN CDS/ECS. ATTEMPTED TO PRESSURIZE A\C, BUT WE COULDN'T GET AIRFLOW FROM ENGINES OR APU. R & R PACK FCV, IAW AMM 21-52-01-000/400-801. OPERATIONS TEST GOOD. RETURNED TO SERVICE.

Part: PRESSURE SENSOR — MALFUNCTIONED (CABIN PRESSURE) · airframe 44,730 hrs · 47,580 cycles

DURING CLIMBOUT, CABIN PRESS MASTER WARNING ILLUMINATED. MAINTAINED 17,000' AND RAN PRESSURIZATION FAIL CHECKLIST. INITIALLY I WAS UNABLE TO CONTROL PRESSURIZATION MANUALLY BUT A FEW MINUTES LATER, MANUAL PRESSURIZATION WORKED. DURING INITIAL CLIMBOUT BELOW 10,000' WE NOTICED ALMOST NO AIR COMING OUT OF THE VENTS AND AIR WAS REALLY COLD EVEN WITH TEMP KNOBS TURNED MOST OF THE WAY UP. DIVERTED TO PDX MANUALLY CONTROLLING PRESSURIZATION, NO FURTHER ISSUES. RETURNED TO FIELD. REMOVED FROM SERVICE. INTERROGATED CDS FOR F.C. FOUND NO CABIN PRESSURE CONTROL F.C. FOUND ECS CODE 3102, REF FIM TASK 21-60-00-810-811. R & R ABSOLUTE PRESSURE SENSOR, REF Q400 AMM TASK 21-52-06-000-801 & 21-52-06-400-801. PERFORMED OPERATIONAL CHECK OF ECS, REF Q400 AMM TASK 21-61-00-710-802. OPERATIONS CHECK GOOD AND NO FAULTS NOTED. PERFORMED FUNCTIONAL TEST OF PRESSURIZATION CONTROL, REF Q400 AMM TASK 21-31-00-720-801. NO PRESSURIZATION FAULT CODES WERE NOTED. UNABLE TO DUPLICATE PRESSURIZATION DISCREPANCY. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 44,729 hrs · 47,579 cycles

EMERGENCY LIGHTS INOPERABLE IN ON POSITION. REMOVED FROM SERVICE. R & R 8 EPSU BATTERY PACKS, REF Q400 AMM 33-51-01-000-802 TR 33-078. 33-51-01-400-802 TR 33-079. OPERATIONS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LENS — DETACHED (EMERGENCY LIGHT)

PLASTIC EXIT LIGHT COVER FELL OFF ON LANDING AT FORWARD EMERGENCY EXIT. REATTACHED COVER. RETURNED TO SERVICE. NO PARTS WERE REPLACED.

Part: SEQUENCE VALVE — INOPERATIVE (LT MLG) · airframe 44,316 hrs · 47,115 cycles

ON INITIAL CLIMB DURING LANDING GEAR RETRACTION WE OBSERVED THE FOLLOWING. FOR ABOUT 15 SECONDS THE LT MAIN GEAR UNSAFE LIGHT, LT DOOR ADV LIGHT, AND THE GEAR HANDLE LIGHT REMAINED ILLUM. THEN AFTER 15 SECONDS THE GEAR FINISHED RETRACTION NORMALLY, BOTH ALTERNATE EXTENSION DOORS WERE CLOSED NORMAL (WE DIDN'T HAVE TIME TO RUN GEAR FAILS TO RETRACT CHECKLIST BEFORE GEAR FIXED ITSELF). GEAR EXT WAS NORMAL. REMOVED FROM SERVICE. INTERROGATED PSEU FOR FAULTS, NO CURRENT FAULTS. PERFORMED GVI OF MLG, NO OBVIOUS DEFECTS. FERRIED AIRCRAFT. REPLACEMENT OF LT MLG SOLENOID SEQ VALVE AND FLUSHING OF LT MLG DOOR ACTUATOR LINES DUE TO FINDINGS DURING TROUBLESHOOTING. LANDING GEAR PRIMARY EXT AND RET SYSTEM OPERATIONAL TEST GOOD SEVERAL TIMES AT BOTH LOW AND NORMAL FLOW SETTINGS, IAW DHC-8-400 MM TASK NR 32-31-00-710-801. LANDING GEAR PRIMARY EXT AND RET SYSTEM FUNCTIONAL TEST GOOD, IAW DHC-8-400 MM TASK NR 32-31-00-720-801. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — MALFUNCTIONED (ROLL) · airframe 44,128 hrs · 46,525 cycles

ON APPROACH, IMMEDIATELY AFTER DISCONNECTING THE AUTOPILOT, THE YOKE SHOOK FOR 2-3 SECONDS AND FELT SIMILAR TO A STICK SHAKER TEST BUT NOT AS INTENSE. THE SHAKING STOPPED BUT BECAME INTERMITTENT AND LESS INTENSE ALL THE WAY TO THE GROUND. AT TIME OF DISCONNECT, ALTITUDE WAS 800', AIRSPEED WAS ABOUT 120 KIAS, TRIM WAS NORMAL FOR PITCH & CENTERED FOR AILERONS. THERE WERE NO ANOMALIES ON DEPARTURE, CRUISE, OR INITIAL DESCENT. EVERYTHING WAS NORMAL UNTIL THE AUTOPILOT WAS DISENGAGED. IT DID NOT FEEL LIKE ANY OF THE CONTROLS WERE RESTRICTED OR JAMMED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REPLACED ROLL ACTUATOR. TEST FLIGHT GOOD. RETURNED TO SERVICE.

Part: STOP FITTING — DAMAGED (PAX DOOR HANDLE) · airframe 44,080 hrs · 46,875 cycles

MAIN CABIN DOOR HANDLE STOP IS COMPRESSED. REPLACED HANDLE STOP.

Part: GUIDE STOP — MISSING (PAX DOOR) · airframe 44,063 hrs · 46,857 cycles

MAIN CABIN DOOR HANDLE STOP BUMPER FELL OFF. REMOVED FROM SERVICE. FERRIED. REPLACED MISSING BUMPER AND INSTALLED LONGER SCREW REF. Q400 AIPC 52-11-11-01 MCN 6520839-02 ISSUE 01. CHECKED HANDLE FORCES REF. Q400 AMM 52-11-00-820-801 PARA, 4.E., CLOSING WAS 20 IBF AND OPENING WAS 30 LBF WHICH ARE WITHIN LIMITS. OPS CHECKED GOOD. NOTE: TIGHENED BUMPER RETAINING SCREW JUST ENOUGH TO PREVENT BUMPER MOVEMENT. NO ADJUSTMENTS WERE NEEDED OR MADE. AIRCRAFT RETURNED TO SERVICE.

Part: BUMPER — DAMAGED (PAX DOOR) · airframe 44,061 hrs · 46,856 cycles

ON POST ARRIVAL CHECK, FOUND MAIN CABIN DOOR HANDLE BUMPER STOP SHATTERED AND BROKEN. REMOVED FROM SERVICE. INSTALLED A NEW MCD BUMPER STOP IAW AMM 52-11-11-400-801,4,I AND MCN 6520839-1. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BUMPER — DAMAGED (PAX DOOR) · airframe 44,061 hrs · 46,856 cycles

MAIN CABIN DOOR HANDLE STOP BUMPER SHATTERED WHEN OPENING DOOR. REMOVED FROM SERVICE. INSTALLED NEW MCD HANDLE STOP BUMPER REF Q400 AMM 52-11-11-400-801 STEP 4.I AND MCN 6520839-01 ISS. 1. CLOSED DOOR A COUPLE OF TIMES WITH BUMPER REMAINING SECURE. AIRCRAFT RETURNED TO SERVICE.

Part: BUMPER — DETACHED (PAX DOOR) · airframe 44,061 hrs · 46,856 cycles

MAIN CABIN DOOR HANDLE STOP BUMPER FELL OFF. REMOVED FROM SERVICE. INSTALLED NEW MCD HANDLE BUMPER IAW Q400 AMM 52-11-11-400-801.4.I AND MCN 6520839-02. A/C OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.

Part: GUIDE STOP — MISSING (PAX DOOR) · airframe 44,059 hrs · 46,855 cycles

GREEN MCD EXTERNAL HANDLE STOP FOUND ON GROUND. REMOVED FROM SERVICE. INSTALLED NEW MCD HANDLE BUMPER STOP. REF. Q400 AMM TASK 52-11-11-400-801 STEP 4.I. AND MCN 6520839-01. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GUIDE STOP — DETERIORATED (PAX DOOR) · airframe 44,052 hrs · 46,845 cycles

MCD HANDLE BUMPER DETERIORATED. REMOVED FROM SERVICE. INSTALLED NEW BUMPER IAW Q400 AMM 52-11-11-420-004. AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — MALFUNCTIONED (EMERGENCY LIGHT) · airframe 43,881 hrs · 46,656 cycles

AFTER POWER DOWN OF AIRCRAFT AND DURING WALK AROUND FOUND EXTERNAL EMERGENCY LIGHT STILL ON.REMOVED FROM SERVICE. REMOVED AND REPLACED EMERGENCY LIGHTS POWER SUPPLY AND BATTERIES EPS4. RETURNED TO SERVICE.

Part: LIGHT — LOOSE (CABIN FLOOR) · airframe 43,282 hrs · 45,945 cycles

FLOOR LIGHT IN FRONT ON SEAT 1B CAME LOOSE. REMOVED FROM SERVICE. RE SECURED FLOOR LIGHT IN FRONT OF SEAT 1B AS REQUIRED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: APU — INOPERATIVE · airframe 43,139 hrs · 45,794 cycles

APU FAILED TO START ON ONE ATTEMPT. MULTIPLE PEOPLE OUTSIDE THE AIRCRAFT REPORTED A 6-8' FLAME FROM THE APU EXHAUST. WHEN THE MECHANIC OPENED THE CLAMSHELL, A SMALL PUDDLE OF RAW FUEL DROPPED TO THE GROUND. REMOVED FROM SERVICE. CLEANED RESIDUAL FUEL FROM APU DOORS/COMPARTMENT. PERFORMED APU START 2X PER Q400 AMM TASK 49-00-00-869-801. PERFORMED GVI OF APU FUEL LINES/COMPONENTS WHILE RUNNING, NO ACTIVE LEAKS OBSERVED. APU STARTS AND SHUTS DOWN NORMALLY. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: TRACK — MALFUNCTIONED (PAX DOOR) · airframe 42,871 hrs · 45,457 cycles

AFT PASSENGER DOOR INTERNAL HANDLE DRAGS AND DOOR HANDLE ROTATIONAL FORCE IS OUT OF LIMITS. REPLACED AFT PASSENGER DOOR GUIDE TRACK. RIGGED THE VENT DOOR MECHANISM IAW Q400 AMM TASK # 52-00-00-830-801.

Part: O-RING — DAMAGED (PROP SYSTEM) · airframe 42,609 hrs · 45,141 cycles

ON PREFLIGHT OBSERVED FLUID LEAK FROM #1 ENGINE DRAIN MAST. REMOVED FROM SERVICE. REMOVED, RE ORINGINED AND REINSTALLED OSG IAW 61-20-26-000/400-801. LEAK CHECK GOOD. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 42,599 hrs · 45,128 cycles

ON TAKE OFF CLIMB, THE GEAR FAILED TO RETRACT. WE RAN THE "LANDING GEAR FAILS TO RETRACT" CHECKLIST. IN THE CHECKLIST WE OBSERVED THAT 'LANDING GEAR ALTERNATE RELEASE" DOOR (OVERHEAD) WAS NOT FULLY CLOSED (MISCONFIGURED). WE COMPLETED THE CHECKLIST AND GEAR OPERATED NORMALLY THEREAFTER. RETURNED TO FIELD. LANDING UNEVENTFUL. PERFORMED GVI OF ALTERNATE RELEASE DOOR AND ASSOCIATED MECHANISM. NO DEFECTS NOTED. AIRCRAFT OK FOR CONTINUED SERVICE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BEAM — CRACKED (PAX DOOR) · airframe 42,366 hrs · 44,863 cycles

AFT PAX DOOR 2 BEAM CRACKED. REMOVED AFT PAX DOOR 2 BEAM IAW SRM 51-40-07-02-01. INSTALL NEW AFT PAX DOOR BEAM 2 IAW SRM 51-42-05-02-01, 51-42-45-02-01, 51-40-15-02-01.

Part: BEAM — CRACKED (SERVICE DOOR) · airframe 42,366 hrs · 44,863 cycles

SERVICE DOOR 2 BEAM CRACKED. REMOVED CRACKED BEAM 2 ON SERVICE DOOR IAW SRM 51-42-05-02-01, 51-42-45-02-01 AND 51-40-07-02-01. FIT AND INSTALLED NEW BEAM 2 ON SERVICE DOOR IAW SRM 51-23-00-00-01, 51-40-07-02-07, 51-42-05-02-01, 51-42-45-02-01, 51-40-15-02-01 AND 51-42-75-02-01.

Part: BLOWOUT PANEL — NOT SEATED (CARGO BAY) · airframe 42,244 hrs · 44,723 cycles

CABIN PRESSURIZATION UNCONTROLLABLE IN AUTO OR MANUAL MODES. REMOVED FROM SERVICE. FOUND AFT CARGO BAY BLOW OUT PANEL UNSEATED. RESEATED AFT BLOW OUT PANEL. INSPECTED AFT CARGO DOOR SEAL, NO DEFECTS NOTED. PRESSURIZED AIRCRAFT IAW AMM 21-00-00-863-801. PRESSURIZATION NORMAL. DEPRESSURIZED AIRCRAFT IAW AMM 21-00-00-863-802. DEPRESSURIZATION NORMAL. NO FAULTS SHOWN IN CDS. NO DEFECTS NOTED AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.

Part: FASTENER — LOOSE (EXIT LIGHT) · airframe 41,881 hrs · 44,315 cycles

AFT OVERHEAD EXIT ANNUNICATOR PANEL FELL DOWN. REMOVED FROM SERVICE. FOUND QUARTER TURN FASTENER ON LENS COVER UNSECUERD. RE-SECURED LENS COVER. LIGHT OPS CK GOOD IAW AMM 33-51-00-710-803. A/C OK FOR SVC.

Part: HANDLE — UNKNOWN (CABIN DOOR) · airframe 41,776 hrs · 44,193 cycles

A SAFETY CONCERN THAT THE MAIN CABIN DOOR EXTERIOR HANDLE IS INVENTED AND INDENTED AND MAKES IT HARD TO OPEN THE MAIN CABIN DOOR FROM THE OUTSIDE. AWAITING MAINTENANCE REQUEST TO INSPECT THE HANDLE FOR FLUSHNESS AND COMPLY WITH A OPERATIONAL TEST OF THE MAIN CABIN DOOR TO ENSURE IT IS NOT DIFFICULT TO OPERATE.

Part: LIGHT — DAMAGED (CABIN) · airframe 40,979 hrs · 43,293 cycles

EMERGENCY PATCH LIGHTING STRIP AT LAVATORY THRESHOLD IS DAMAGED AND DISCOLORED. REPLACED ASSEMBLY IAW AMM 33-51-16-000-801/400-801.

Part: LIGHT — DAMAGED (CABIN) · airframe 40,979 hrs · 43,293 cycles

FORWARD SIDE EMERGENCY PATH LIGHT STRIP AT ROW 2DE IS DAMAGED AND DISCOLORED. REPLACED FLOOR STRIP IAW AMM 33-51-16-000-801/400-801.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 40,979 hrs · 43,293 cycles

EMERGENCY LIGHT POWER SUPPLY 2 FAILS THE 10 MINUTE FUNCTIONAL TEST. REPLACED THE POWER SUPPLY IAW AMM 33-51-01-000-801. CHECKS GOOD.

Part: GLOWSTRIP — LOOSE (CABIN) · airframe 40,881 hrs · 43,183 cycles

CABIN FLOOR PHOTO-LUMINESCENT STRIP IS PEELING NEAR ROW 2. REMOVED FROM SERVICE. RE-SECURED CABIN FLOOR LUMINESCENT STRIP ON LEFT SIDE NEXT TO ROW 2. NO FURTHER DEFECTS AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.

Part: GLOWSTRIP — LOOSE (CABIN) · airframe 40,805 hrs · 43,110 cycles

PHOTOLUMINESCENT STRIP IN FRONT OF 2 D/E COMING UP. REMOVED FROM SERVICE. SECURED LOOSE STRIP. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — PRESSURE LOSS (CABIN) · airframe 40,233 hrs · 42,436 cycles

DURING CLIMB, CABIN PRESSURE WARNING ILLUMINATED, RAN CABIN PRESSURE WARNING CHECKLIST ON EAC THEN PRESSURIZATION FAIL CHECKLIST. UNABLE TO REGAIN CONTROL OF PRESSURIZATION IN AUTO MODE. MANUAL MODE WORKED. DIVERTED AND LANDED UNEVENTFULLY. REMOVED FROM SERVICE. INSPECTED THE AFT OUTFLOW VALVE, NO DEFECTS FOUND. PREFORMED FUNCTIONAL TEST OF AFT OUTFLOW VALVE IAW AMM 21-31-16-720-801. OPS CHECKED GOOD. PERFORMED ACFT PRESSURIZATION IAW AMM 21-00-00-863-801/802. OPS CHECKED GOOD. NO FAULT CODES FOUND. ACFT WAS CLEARED FOR RETURN TO SERVICE. C/W FIM 21-30-00-801-801. NO DEFECTS NOTED.

Part: UNKNOWN — ODOR (CABIN) · airframe 40,148 hrs · 42,339 cycles

THERE WAS AN ODOR COMING FROM THE BLEED SYSTEM, USING THE APU BLEED AIR. SMELLED LIKE BURNING HAIR. THE ODOR WAS NOT RECOGNIZABLE WITH THE BLEED AIR OFF. REMOVED FROM SERVICE. RAN BOTH ENGINES FOR 10 MINUTES WITH BLEEDS ON. NO BURNING ODORS NOTED. NOTED NO BURNING ODORS WITH APU BLEED ON. COMPLIED WITH AMM 21-00-00-160-801, NO ODOR NOTED. RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 40,107 hrs · 42,294 cycles

AFTER ENGINE START, FLT ATTEND. IN THE REAR OF AIRCRAFT REPORTED A STRONG FUEL ODOR. REMOVED FROM SERVICE. PERFORMED GVI OF THE NR 2 ENGINE FOR LEAKS, NO DEFECTS NOTED. PERFORMED GVI OF AFT EQUIPMENT BAY, NO DEFECTS NOTED. GROUND RAN ACFT MULTIPLE TIMES WITH PROPS OUT OF FEATHER AND BLEEDS ON, NO ODORS NOTED. ACFT OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.

Part: LATCH — INOPERATIVE (CABIN DOOR) · airframe 41,833 hrs · 44,263 cycles

MAIN CABIN DOOR SPRING LATCH NOT WORKING. PLACED ON DMI. RETURNED TO SERVICE.

Part: SPRING — DIRTY (FA JUMPSEAT) · airframe 39,727 hrs · 41,897 cycles

EMERGENCY EQUIPMENT PANEL BELOW AFT CENTER FA JUMPSEAT DOES NOT SPRING CLOSED. REMOVED FROM SERVICE. CLEANED AND LUBED AFFECTED HINGE SPRING ASSEMBLY. OBSERVED NORMAL OPERATION. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. RETURNED TO SERVICE.

Part: RETAINING RING — BROKEN (NR 2 PROP) · airframe 38,713 hrs · 40,804 cycles

NR 2 PROP WOULD NOT UNFEATHER VIA UNFEATHER SWITCH ON MTX PANEL. FOUND RING TERMINAL BROKEN OFF PROP 2 AUX PUMP CB (S4) REPLACED RING TERMINAL PER WM 20-12-15-1, OP TEST OF FEATHER PUMP GOOD IAW 61-20-00-710-802.

Part: FIRE BOTTLE — MALFUNCTIONED (CARGO BAY) · airframe 38,659 hrs · 40,749 cycles

FLIGHT CREW REPORTS DURING CRUISE FLIGHT, CHECK FIRE DETECTOR WARNING LIGHT AND AFT CARGO BAY FWD AND AFT BOTTLE LOW LIGHTS ILLUMINATED ON FIRE CONTROL PANEL. DIVERTED. LANDING UNEVENTFUL. AIRCRAFT REMOVED FROM SERVICE. TROUBLESHOT SYSTEM AND REPLACED AFT CARGO BAY LOW RATE DISCHARGE BOTTLE AND SQUIB. ALL OPS CHECKED GOOD. RETURNED TO SERVICE.

Part: FAULT CODE — ACTIVATED (NR 1 PROP) · airframe 38,634 hrs · 40,720 cycles

NR 1 PROPELLER DID NOT COME OUT OF FEATHER AFTER START. REMOVED FROM SERVICE. COMPLIED WITH FIM 61-20-00-810-804, INTERROGATED CDS IAW AMM 45-00-73-742-801, FOUND FAULT CODES NR 1 ENGINE, CH A 132 AND CH B 132. PERFORMED PEC FAULT CLEARING IAW AMM 61-20-36-070-801. PERFORMED TWO STARTS OF BOTH ENGINES 1 AND 2 IAW AMM 61-20-00-710-801 AND AMM 61-20-00-710-803. OPS CHECKED GOOD, PEC CODES DID NOT RETURN. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED (NR 1 PROPELLER) · airframe 38,633 hrs · 40,719 cycles

NR 1 PROPELLER IS PITCH LOCKED AT 660 RPM, BELOW FLIGHT IDLE, WILL NOT GO INTO REVERSE. REMOVED FROM SERVICE. REPLACED THE NR 1 OSG AND PCU, OPS & LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — NO TEST (EMERGENCY LIGHTS) · airframe 38,617 hrs · 40,704 cycles

NR 2 EMERGENCY LIGHT BATTERY FAILED A 10 MINUTE CHECK. REPLACED POWER SUPPLY BATTERY PACK IAW AMM 33-51-01-000-801. CHECKED GOOD.

Part: CONTROL UNIT — MALFUNCTIONED (ANTI-SKID SYSTEM) · airframe 38,542 hrs · 40,635 cycles

RIGHT MAIN LANDING GEAR SMOKING. REMOVED FROM SERVICE. REPLACEMENT OF BOTH RT MLG BRAKE ASSEMBLIES AND ANTI-SKID CONTROL UNIT. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — DISCONNECTED (LANDING GEAR) · airframe 38,426 hrs · 40,524 cycles

DURING LANDING GEAR ALTERNATE EXTENSION FUNCTIONAL TEST, LG INHIBIT SWITCH ACTIVATION DOES NOT RESULT IN LG INOP CAUTION INDICATION AS REQUIRED. INSPECTED LG INHIBIT SWITCH AND FOUND 2 WIRES NOT CONNECTED TO SWITCH. RECONNECTED WIRES TO INHIBIT SWITCH REFERENCING MM 32-61-00. OPS CHECKED INHIBIT SWITCH. LG INOP CAUTION LIGHT ILLUMINATES WITH SWITCH ACTIVATION.

Part: ADC — MALFUNCTIONED (NR 2) · airframe 38,353 hrs · 40,451 cycles

ENROUTE, AUTO PILOT KICKED OFF AND THEN STARTED GETTING INTERMITTENT CAUTION LIGHTS. PITCH TRIM, ELEVATOR FEEL, RUDDER CONTROL, SPOILER OTBD, ROLL SPOILER OTBD HYD, PROPELLER DEICE, TCAS FAIL, AND ALT RED ON ARCDU, ALSO FO ALT FAIL, IAS FAIL ON PFD. IAW CHECKLIST, RAN SWITCH TO ADC 1 AND FO INSTRUMENT WERE NORMAL, BUT STILL HAS INTERMITTENT CAUTION LIGHTS ILLUMINATING. REMOVED FROM SERVICE. FOUND SEVERAL ADU2 FAULTS IN CDS. REMOVED AND REPLACED, LLM RTS NR 2 ADU IAW TC 6341101 AND TC 6341102. VERIFIED AUTOPILOT IS OPERATIVE IAW AMM 22-11-00-720-804. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — UNSECURE (AFT PAX) · airframe 38,343 hrs · 40,443 cycles

MASTER CAUTION ILLUMINATED DURING TAKEOFF FOR FUSELAGE DOOR. ABORTED TAKEOFF AT APPROXIMATELY 85 TO 100 KTS. MASTER WARNING INTERMITTENT WHILE TAXING BACK TO GATE. REMOVED FROM SERVICE. FLIGHT ATTENDANT REPORTED FINDING AFT PAX DOOR NOT FULLY LOCKED DURING TAXI IN. COMPLIED WITH OPERATIONAL TEST OF AFT PAX DOOR IAW AMM 52-12-00-710-802. OPS CHECKED GOOD. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: PANEL — OUT OF POSITION (ZONE 200) · airframe 37,856 hrs · 39,941 cycles

AILERONS BINDING & HARD TO MOVE TO THE LEFT AND RIGHT. AFT F/A REPORTS GRINDING NOISE DURING YOKE MOVEMENT. FOUND GRINDING NOISE TO BE CABLE RUN UNDER PANEL 245DZ, CUTTING INTO PANEL'S AFT MIDDLE AREA, REPOSITIONED PANEL, NOW NO GRINDING NOISE HEARD WHILE MOVING CABLES FULL DEFLECTION. CHECKED AND ADJUSTED CONTROL COLUMN CHAINS. GVI PERFORMED OF AILERON CABLES AND CHECK OF CONTROL FORCE FOR AILERONS. W/O 220507 ACCOMPLISHED OTHER WORK PERFORMED. RETURNED TO SERVICE.

Part: SCUPPER — CONTAMINATED (ENGINES) · airframe 37,640 hrs · 39,697 cycles

FLIGHT ATTENDENT REPORTED AN OIL ODOR IN THE AFT GALEY AREA. STATED IT WENT AWAY AFTER A COUPLE MINUTES. PERFORMED GVI OF BOTH ENGINES FOR LEAKS. FOUND SCUPPERS ON BOTH ENGINES TO HAVE SMALL AMOUNTS OF OIL. CLEANED OIL. GROUND RAN ENGINES. PERFORMED REMOVAL OF ODOR FROM ACFT DUCTS IAW TASK 21-00-00-160-801. NO ODORS NOTED AT ANY TIME, CHECKED SCUPPERS NO OIL OR LEAKS NOTED IAW FIM 71-00-00-810-817. . RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — OUT OF RIG (MLG) · airframe 37,356 hrs · 39,405 cycles

LEFT MAIN GEAR DOOR LIGHT CONTINEOUSLY FLASHING THROUGHTOUT THE FLIGHT, COULD FEEL A THUMP EACH TIME THE CAUTION LIGHT CYCLED. GEAR DOWN NO MORE CYCLING. INTERROGATED PSEU. FOUND LGDRCL SENSOR UNREASONABLE FAR. RIGGED LGDRCL PROXIMITY SENSOR IAW AMM TASK 32-61-06-830-801. CYCLED LMLG DOORS SEVERAL TIMES. INDUCTANCE VALUE IS GOOD PER AMM 32-61-00-280-801. NO DEFECTS IN PSEU. VERIFIED RIGGING AND INDUCTANCE VALUES OF THE LGUPLK LGDLK 1 AN LGDLK2 SENSORS. CHECK GOOD IAW 32-61-06-830-801 AND 32-61-00-280-801. RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — OUT OF RIG (LT MLG) · airframe 37,355 hrs · 39,404 cycles

LEFT MAIN GEAR AMBER LIGHT FLASHED INTERMITENTLY 5-6 TIMES AFTER TAKE OFF. NO OHTER ABNORMALITIES NOTED. INTERROGATED PSEU, FOUND FAULT LGDRCL UNREASONABLE FAR. RIGGED LEFT LGDRCL PROXIMITY SENSOR IAW AMM TASK 32-61-06-830-801. CYCLED LANDING GEAR DOORS. FAULT DID NOT COME BACK. RETURNED TO SERVICE.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

AFT CARGO DOOR UPPER SILL VERTICAL INTERCOSTAL HAS CRACK AT LOWER INBOARD RIVET, APPROX FS X768.00. VERTICAL FRAME AT AFT CARGO DOOR UPPER SILL X768.00 REMOVED REF SRM 51-42-050. VERTICAL FRAME AT AFT CARGO DOOR UPPER SILL X768.00 INSTALLED REF SRM 51-42-05. AFT CARGO SILL DOOR STRUTS REMOVED X768.00 REF AMM 52-31-21-000-801. AFT CARGO UPPER SILL DOOR STRUT MOUNT REMOVED REF Q400 SRM 51-41-00. INSTALLED AFT CARGO REAR UPPER SILL OVER STRUT MOUNT REF SRM 51-41-00. AFT CARGO DOOR BALANCE SYSTEM FITTING REMOVED REF SRM 51-40-15 X768.000. AFT CARGO DOOR BALANCE SYSTEM FITTING X 768.00 INSTALLED REF SRM 51-40-15. AFT CARGO UPPER SILL STIFFENER AT X 767.645 BLENDED/REMOVED REF PRELIMINARY RD 8/4-53-7753. PERF'D E/T INSP ON AFT BAGGAGE DOOR UPPER SILL TRI OUT IAW RD 8/4-53-7753. NO DEFECTS NOTED. AFT CARGO DOOR FWD AND AFT DOOR TRAVEL LIMITER STOPS REF SRM 51-41-00 REMOVED. INSTALLED AFT CARGO DOOR FWD AND AFT TRAVEL LIMITER REF SRM 51-41-00. NEW MACHINED FTG PN:8/4-53-7753-RD2 LOCATED AND DRILLED REF RD 8/4-53-7753. NEW AFT CARGO UPPER SILL CLEAT RS X768.000 LOCATED AND DRILLED REF SRM 51-40-09. NEW MACHINED REPAIR FITING PN:RD-2 INSTALLED AT AFT CARGO UPPER SILL X767.645 REF RD 8/4-53-7753. INSTALLED BOLT AT ACD UPPER SILL PER BOMBARDIER RD 8/4-53-7753 . FINISH RESTORED TO REWORK AREA REF RD 8/4-53-7753.

Part: FITTING — UNKNOWN (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

REPAIR FITTING 8/4-53-7753 RD-1 & RD-2 REQUIRE FABRICATION. FABRICATED AFT CARGO DOOR UPPER SILL FITTING AT STATION 767.645 PN 85237815. NO DEFECTS NOTED. FABRICATED FWD CARGO DOOR UPPER SILL FITTING. APPLIED FINISH TO REPAIR FITTING PER RD 8/4-53-7753.

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

AFT CARGO DOOR UPPER SILL HAS CRACK IN VERTICAL WEB AT INBOARD RIVET, APPROX FS X744.50. VERTICAL FRAME PN 85339583 AT AFT CARGO UPPER SILL X744.145 REMOVED REF SRM 51-42-05. NEW VERTICAL FRAME INSTALLED AT AFT CARGO UPPER SILL X744.145 REF SRM 51-42-05. PRELIMINARY RD 8/4-53-7753. AFT CARGO UPPER SILL DOOR ASSIST STRUTS 2EA REMOVED REF SRM 51-41-00 X744.145. AFT CARGO DOOR STRUTS 2EA X744.145 INSTALLED REF AMM 52-31-21-400-801. AFT CARGO UPPER SILL DOOR STRUT MOUNT PN 85237811-005 REMOVED REF SRM 51-41-10. AFT CARGO UPPER SILL DOOR STRUT MOUNT PN 85237811-005 INSTALLED REF SRM 51-41-00 X744.145. AFT CARGO DOOR BALANCE SYSTEM FITTING PN 85237815 REMOVED REF SRM 51-40-15. AFT CARGO DOOR BALANCE SYSTEM FITTING PN 85237815 INSTALLED REF SRM 51-40-15 X744.145. REMOVED AFT CARGO DOOR RAIN DEFLECTOR PN 85339170-101 REF SRM 51-42-05. AFT CARGO DOOR RAIN DEFLECTOR INSTALLED REF SRM 51-42-005. TRIM OUT THE ENTIRE STIFFENER FLUSH TO THE WEB AT STA X744.500 REF RD 8/4-53-7753. C/W ET INSP REF NDTM 51-00-06 DEFECT (CRACK) NOTED AND MARKED ON PART. NEW VERTICAL FRAME PN 85339583-103 LOCATED AND DRILLED REF SRM 51-40-09. NEW REPAIR FITTING AFT CARGO UPPER SILL X744.147 LOCATED AND DRILLED REF SRM 51-40-09. NEW MACHINED FITTING INSTALLED AT AFT CARGO UPPER SILL X744.145 REF PRELIMINARY RD 8/4-53-7753.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

STRINGER 24R REQUIRES SPLICE REPAIR BETWEEN FS 529.500 AND FS 530.500. BLENDED/REMOVED CORROSION FROM STR 24R BTW FS 529. -330.500 REF SRM 51-21-00. C/W ET AND UT INSP REF NDTM 51-00-06 AND 51-00-04. MIN THICK =.053" ON HORIZONTAL FACE AND .076" ON VERTICAL FACE. CLARIFICATION STATEMENT: DAMAGE IS FOUND LOCATED BTW FS 525.0 AND 529.500. RECEIVED RD 8/4-53-7811. PERF'D E/T ON STR 24S CUT LINES IAW RD 8/4-53-7811. PERF'D ET INSP ON FABRICATED STRINGER IAW NDTM 51-00-06. PER'FD E/T INSP ON STR 24S SPLICE IAW NDTM 51-00-06. PERF'D ET INSP ON STR 24S SPLICE IAW NDTM 51-00-06. NEW STRINGER SECTION FABRICATED FROM PN 85360221-278 REF RD 8/4-53-7811. DAMAGED SECTION OF STINGER 24S CUT OUT/REMOVED REF RD 8/4-53-7811. NEW STRINGER 24S SECTION LOCATED AND DRILLED REF RD 8/4-53-7811. FWD AND AFT REPAIR PACKERS SR 24S FABRICATED REF RD 8/4-53-7811. FWD AND AFT REPAIR PACKERS STR 23S LOCATED AND DRILLED REF RD 8/4-53-7811. NEW FWD AND AFT SPLICE MEMBERS FABRICATED STR 24S REF RD 8/4-53-7811. LOCATED AND DRILLED FWD AND AFT SPLICE MEMBERS STR 24 R PER RD 8/4-53-7811. REFABRICATED FWD AND AFT PACKERS OUT OF 2024-T7 .100 PO T37227 STR 24R PER RD 8/4-53-7811. LOCATED AND DRILLED FWD AND AFT PACKERS SR 24R PER RD 8/4-53-7811. APPLIED PROTECTIVE COATING TO ALL REPAIR PARTS SR 24R PER RD 8/4-53-7811. INSTALLED STR 24R STA 53D MINUS REPAIR SPLICE AREAS PER BOMBARDIER RD 8/4-53-1811.

Part: SHEAR WEB — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

ANGLE: SHEAR WEB SUPPORT (X783.102) (Y-0.0 , Y300) HAS CORROSION PN 85339286-101. REMOVED CORROSION FROM SHEER SUPPORT (X783.102)(Y-0.0, Y-300) REF Q400 SRM 51-21-00. PERF'D U/T INSP ON SHEAR WEB ANGLE BLEND OUTS IAW NDTM 51-00-04 THICKNESS IS .020 - .066. SHEAR WEB SUPPORT ANGLE PN 85339286-101 IS OUT OF LIMITS NO REPAIRS ALLOWED REF SRM 53-40-15 ITEM 262 FIG 1. INSTALLED SHEAR WEB SUPPORT ANGLE COMMON TO THE WEB AND 20 FASTENERS COMMON TO THE FLOOR ATTACH ANGLES REF SRM 51-42-05-02-01 AND DWG: 85339281 REV-C CONTINUE ITEM 7. REMOVED SHEAR WEB SUPPORT ANGLE PN 85339286-101 AZ STA 783.102 REF SRM 51-42-05. LOCATED AND DRILLED SHEAR WEB SUPPORT ANGLE AT STA 783.102 REF SRM 51-40-07. COMPLETED INSTALLATION SHEAR WEB SUPPORT PN 85339286-101 REF RD8/4-53-7814. INSTALLED QTY 2 ANCHOR NUTS ON SHEAR WEB ANGLE SUPPORT PN 85339286-101 REF SRM 51-42-05.

Part: ATTACH BRACKET — CRACKED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

ATTACH BRACKET FOR AFT CARGO AIR INLET/OUTLET SUPPORT PLATE IS CRACKED AT FS747.600 STR 18-19 RT. REMOVED ATTACH BRACKET (CLIP) FROM FS 747.600 BETWEEN STRINGERS 18 & 19 REF SRM 51-42-05 REPAIR-01. INSTALLED NEW ATTACH BRACKET (CLIP) ON FS 747.600 BETWEEN STRINGERS 18 & 19 REF SRM 51-42-05 REPAIR-01.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

FWD PAX DOOR THRESHOLD MEMBER ASSY PN 85329532 CORRODED. MCD THRESHOLD PLATE PN 85329532 REMOVED REF SRM 51-42-05. INSTALLED NEW THRESHOLD PLATE PN 85329532 REF SRM 51-42-05-02-01. CORROSION TO MCD THRESHOLD MEMBER PN 85329532 BEYOND LIMITS REF SRM 53-20-23 REPAIR-01. PART REPLACEMENT REQUIRED. NEW MCD THRESHOLD PLATE/MEMBER PN 85329532 LOCATED AND DRILLED REF SRM 51-40-09.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK NR 9 REQUIRES REPLACEMENT DUE TO EXCESSIVE CORROSION PN 85338210-111. REMOVED SPLICE PN 85338215-101 AND 85338216-101 COMMON TO SEAT TRACK NR 8 AND NR 9 REF SRM 51-40-15 6M/N, 51-2-65 4E. INSTALLED FASTENERS ON SPLICE FITTINGS PN 85338215-101 AND 85338216-101 COMMON TO VERTICAL LEG ON SEAT TRACK NR 9 REF SRM 51-2-05-02-01, COMMON TO SEAT TRACK NR 8 AND NR 9. REMOVED SEAT TRACK NR 9 PN 85338210-111 REF SRM 51-40-16 6M/N, 51-40-00, 51-42-05 4E. INSTALLED FASTENERS AT SEAT TRACK NR 9 COMMON TO VERTICAL WEBS FROM STA 670-773 PER SRM 51-42-05 REPAIR -01. LOCATED AND DRILLED HOLES ON THE VERTICAL FACE OF SEAT TRACK NR 9 PN 85338210-111 REF SRM 51-40-07 DWG:85338201 REV F. COMPLETED LOCATING AND DRILLING NEW SEAT TRACK, SPLICE FITTINGS COMMON TO SEAT TRACK NR 8 & NR 9 AND COMMON TO CARGO FLOOR REF SRM 51-40-07-02-01. INSTALLED FASTENERS AT SEAT TRACK NR 9 COMMON TO FLOOR MINUS 1EA FASTENER FWD OF STA 783 PER SRM 51-42-05 REPAIR -01 AND 51-40-15-02-01. INSTALLED SPLICE FITTINGS AT SEAT TRACK NR 8 AND NR 9 PER SRM 51-40-15-02-01. INSTALLED COMPLETE FASTENERS COMMON TO SEAT TRACK NR 9 AND VERTICAL WEB FROM STA X 175 TO X 783 REF SRM 51-42-05-02-01. INSTALLED 1EA FASTENER FWD OF STA 783 COMMON TO SEAT TRACK NR 9 AND FLOOR STRUCTURE REF SRM 51-40-15-02-01.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK 7 PN 85361510-103 REQUIRES REPLACEMENT DUE TO EXCESSIVE CORROSION. REMOVED SPLICE PN 853338215-101 & 85338216-101 COMMON TO SEAT TRACK 7 & 8 REF SRM 51-40-15 M/N, 51-42-05-4C. INSTALLED SPLICE ANGLES PN 85338215-101 & 85338216-101 COMMON TO SEAT TRACK 7 & 8 REF SRM 51-40-15 & 51-42-05 & DWG 85307071 REV A. REMOVED RIVETS COMMON TO WEB REF SRM 51-42-05 4C. INSTALLED RIVETS COMMON TO WEB & SEAT TRACK 7 REF SRM 51-42-05 DWG 85361501 REV E. REMOVED SEAT TRACK 7 PN 85361510-103 REF SRM 51-41-00. INSTALLED TRACK 7 PN 85361510-103 REF SRM 51-41-00 DWG 85361501 REV E. LOCATED & DRILLED SEAT TRACK 7 PN 85361510-103 HOLES COMMON TO WEBS, HARD POINTS & SPLICES REF SRM 51-40-07 & DWG 85361501 REV E.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK NR 6 PN 85328210-111 REQUIRES REPLACEMENT DUE TO EXCESSIVE CORROSION. REMOVED SPLICE PN 85388215-101, PN 85338216-101 FROM SEAT TRACK NR 6 & NR 7 REF SRM 51-40-15 6M/N 51-42-05 4C. INSTALLED SPLICE FITTINGS COMMON TO SEAT TRACKS NR 6 & NR 7 REF SRM 51-42-05-02-01 & SRM 51-40-15-02-01. LOCATED AND DRILLED FASTENER HOLES COMMON TO SEAT TRACK NR 6 REF SRM 51-40-07-02-01. REMOVED DRIP ANGLE COMMON TO SEAT TRACK NR 6 REF SRM 51-42-05-02-01. INSTALLED NEW DRIP ANGLE PN 85307495-111 ON SEAT TRACK NR 6 REF SRM 51-18-00-00-06, 51-40-15-07-01, 51-20-10-00-01 BETWEEN FS 49.5 & FS 173. REMOVED SEAT TRACK NR 6 REF SRM 51-42-05-02-01. INSTALLED SEAT TRACK NR 6 REF SRM 51-42-05-02-01, 51-41-05-00-01 & REF DRAWING 85328201 REV E. REMOVED WIRE CABLE STAND OFFS COMMON TO SEAT TRACK 6 REF SRM 51-42-05-02-01. INSTALLED WIRE CABLE STAND OFFS COMMON TO SEAT TRACK 6 REF SRM 51-42-05-02-01.

Part: STRINGER SPLICE — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

CORROSION FOUND ON STR 24R SPLICE AND FASTENERS STA 116. REMOVED SPLICE AT STA 116 STR 24R PER SRM 51-40-15 REPAIR -01 AND 51-42-05 REPAIR -01. PARTIALLY INSTALLED OF STRINGER SPLICE, 4EA RIVETS, BOTTOM LEG AT FS 116 STRINGER 24R REF SRM 51-42-05. REMOVED CORROSION AT SPLICE STA 116 STR 24 PER SRM 51-21-00 STRUCT IDENT -02. ORIG MAT'L THICKNESS IS .050 PER DWG 85329448 REV --. REMAINING THICKNESS IS .033. LOCATED & DRILLED NEW STRINGER SPLICE PN 85329448-103 REF SRM 51-40-07 & DWG 85329451 REV A. COMPLETED INSTALLATION OF STRINGER SPLICE AT FS X116.2 STR 24R REF SRM 51-42-05-02-01 AND DWG 85329451 REV A.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00-00-01, DWG #85338201 REV E.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05 & 51-40-15, DWG 85361501 REV E & SRM 51-42-05, 51-40-15.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00-00-01, DWG 85338201 REF F & SRM 51-42-05-02-01.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05-02-01, SRM 51-42-05-02-01, 51-41-00-00-01, 51-40-15-02-01 & DWG 85328201 REV E.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK 10 PN 85328210-121 REQUIRES REPLACEMENT DUE TO EXCESSIVE CORROSION. REMOVED SEAT TRACK 10 PN 85328210-121 REF SRM 51-40-15-02-01 AND 51-41-00-00-01. INSTALLED SEAT TRACK 10 85328210-121 REF SRM 51-42-05-02-01, 51-41-00-00-01 AND DWG 85328201 REV E. LOCATED AND DRILLED NEW SEAT TRACK 10.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00-00-01, 51-40-15-02-01, 51-42-05-02-01 & DWG 85328201 REV -E.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK 13 REQUIRES REPLACEMENT DUE TO EXCESSIVE CORROSION. LOCATED & DRILLED NEW SEAT TRACK FROM FS X102.5 TO FS 571.5 REF SRM 51-40-07-02-01. INSTALLED IAW SRM 51-41-00-00-01 & DWG 85361501 REV-E DATED 2013-02-12. PERFORMED BOND CHECK AT FS X295.0 AT Y 9.250 REF AMM 51-80-00-760-830. CHECKED GOOD. RESTORED FINISH ON SEAT TRACK REF SRM 51-25-10-00-01, 51-25-15-02-01 & 51-25-25-02-01.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 36,840 hrs · 38,854 cycles

SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00, SRM 51-41-00, AND DWG 8533821 REV F.

Part: STEP — CORRODED (PAX DOOR) · airframe 36,840 hrs · 38,854 cycles

FWD PAX DOOR FLIP STEP HINGE SHOWS EVIDENCE OF CORROSION. REMOVED & REPLACED FLIP STEP HINGE IAW DWG 85210004 REV AD.

Part: STEP — CORRODED (PAX DOOR) · airframe 36,840 hrs · 38,854 cycles

PAX DOOR FLIP STEP STUD ASSY CRACKED 2 PLACES (PN 85210262-003). REMOVED & REPLACED FLIP STOP ASSY PN 85210262-003 PER DE HAVILLAND DWG 85210004 REV AD 2005/02/09.

Part: ANGLE — CORRODED (PAX DOOR) · airframe 36,840 hrs · 38,854 cycles

FWD PAX DOOR AFT INBD UPPER ANGLE SHOWS EVIDENCE OF CORROSION. REMOVED & REPLACED AFT IB UPPER ANGLE IAW DWG 85210004 REV AD.

Part: RESISTOR — MALFUNCTIONED (NR 2 ENGINE ITT) · airframe 36,416 hrs · 38,399 cycles

NR 2 ENGINE FADEC CAUTION ILLUMINATED IN FLIGHT. NR 2 ENGINE TORQUE RESPONSE SLUGGISH. FOUND FAULT CODES 970 A/B, 902A, 798 A/B. REPLACED MOT SENSOR, NO HELP. REPLACED ITT RESISTOR, FAULTS CLEARED. RETURNED TO SERVICE.

Part: GUARD — LOOSE (LIGHT SWITCH) · airframe 36,105 hrs · 38,060 cycles

EMERGENCY LIGHT SWITCH GUARD IS LOOSE. SECURED THE SWITCH GUARD. OPS CHECKED GOOD. RETURNED TO SERVICE.

Part: FILTER — DIRTY (FAN) · airframe 36,067 hrs · 38,010 cycles

CREW NOTICED A BURNED COFFEE ODOR IN THE CABIN AND FLIGHT DECK. WORSE IN THE AFT GALLEY AREA. REPLACED RECIRCULATING FAN FILTER IAW AMM 21-22-22-00-801. ODOR DID NOT RETURN.

Part: HANDLE — UNSECURE (CARGO DOOR) · airframe 35,759 hrs · 37,654 cycles

FUSELAGE DOOR WARNING LIGHT ILLUMINATED AT ROTATION. BAGGAGE DOOR LIGHT WAS ILLUMINATED. RETURNED TO FIELD. LANDING UNEVENTFUL. UPON ARRIVAL TO ACFT, FOUND THE AFT CARGO DOOR HANDLE POPPED OUT. PERFORMED OPS CHECK OF THE AFT BAGGAGE DOOR IAW AMM TASK 52-31-00-710-801. DOOR OPERATES NORMALLY WITH NO DEFECTS NOTED. RETURNED TO SERVICE.

Part: SENSOR — OUT OF POSITION (MLG) · airframe 35,524 hrs · 37,390 cycles

WHEN SELECTING GEAR DOWN FOR LANDING, NOSE GEAR DOOR LIGHT AMBER REMAIND ON, NOSE GEAR DOWN AND LOCKED REMAINED GREEN. RETRIEVED DATA FROM PSEU IAW AMM TASK 32-61-00-742-801. RETRIEVED THE FOLLOWING FAULT CODES: PSEU CHAN D FAIL CHANNEL INOP. NGLK1 FAULT UNREASONABLE FAR. CHECKED INDUCTANCE VALUE ON NGLK1 PROX SENSOR IAW Q400 AMM TASK 32-61-06-830-801 FOUND NGLK1 READING DASHES. INSPECTED NGLK1 PROX SENSOR FOUND NGLK1 PROX SENSOR UP AGAINT PROX SENSOR BRACKET, RIGGED NGLK1 PROX SENSOR IAW 32-61-06-830-801, INDUCTANCE VALUES IS WITHIN LIMITS. PRESSURIZED HYD CYCLED NLG DOORS. NO DEFECTS NOTED, AND NO PRESENT FAULTS IN PSEU

Part: DOOR — FROZEN (AFT PAX) · airframe 35,020 hrs · 36,858 cycles

AFT PASSENGER DOOR WILL NOT OPEN. FOUND ICE AROUND THE DOOR. REMOVED THE ICE. NO FURTHER DEFECTS. DOOR OPERATES NORMALLY. RETURNED TO SERVICE.

Part: IRS — MALFUNCTIONED (ZONE 100) · airframe 34,488 hrs · 36,263 cycles

IRS FAIL MESSAGE IN CAT III APPROACH. ABORTED APPROACH AND DIVERTED FOR UNEVENTFUL LANDING. NO FAULT FOUND INITALLY, BUT FOLLOW ON INSPECTION REPLACED THE IRU IAW TC 6343508. RETURNED TO SERVICE.

Part: CONTROL PANEL — MALFUNCTIONED (LANDING GEAR) · airframe 33,977 hrs · 35,725 cycles

ON LANDING GEAR EXTENSION, RECEIVED A "LANDING GEAR INOPERATIVE" CAUTION MESSAGE. PERFORMED ALTERNATE EXTENSION AND GEAR CAME DOWN NORMALLY. LANDING UNEVENTFUL. REPLACED LANDING GEAR CONTROL PANEL IAW AMM 32-31-01-000-801/400-801. OPERATIONAL TEST OF LANDING GEAR PRIMARY EXTENSION & RETRACTION GOOD IAW AMM 32-31-00-710-801. RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 33,882 hrs · 35,635 cycles

FORWARD AREA EMERGENCY LIGHTS INOPERATIVE. REPLACED BOTH BATTERIES IN THE POWER SUPPLY NR 1 IAW AMM 33-51-00-820-801. OPS TESTS GOOD.

Part: CONNECTOR — BROKEN (EMERGENCY LIGHTS) · airframe 33,718 hrs · 35,465 cycles

AFT SERVICE DOOR LOWER EMERGENCY LIGHT CONNECTOR BACKSHELL BROKEN. REPLACED THE CONNECTOR AND INSERTED NEW PINS IAW WDM 33-51-00, SHEET 4, PAGE 1. OPS CHECKED GOOD IAW AMM TASK 33-51-00-710-803.

Part: TRANSMITTER — MALFUNCTIONED (LT WING TE FLAP) · airframe 32,468 hrs · 34,135 cycles

FLAP DRIVE CAUTION ON APPROACH. FLAP DRIVE CAUTION EXTINGUISHED. RETURNED TO FIELD. LANDING UNEVENTFUL. INTERROGATED CDS, NO PRESENT FAULTS FOUND. IAW MAINTENANCE CENTRAL REQUEST, R & R FLAP POSITION TRANSDUCER IAW AMM 27-53-06-960-801. OPS CHECKED GOOD, FLAP DRIVE CAUTION DID NOT RETURN. RETURNED TO SERVICE.

Part: PUMP — BROKEN (NR 2) · airframe 32,002 hrs · 33,601 cycles

NR 2 ENGINE FUEL PRESSURE LIGHT ILLUMINATED DURING CLIMBOUT. TURNED ON NR 2 AUX PUMP AND LIGHT EXTINGUISHED. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REPLACED LT WING FUEL TANK PRIMARY EJECTOR PUMP. EJECTOR FLAPPER VALVE WAS FOUND TO BE BROKEN. COMPLIED WITH ENGINE RUNS AND NO DEFECTS NOTED. RETURNED TO SERVICE.

Part: LIGHT — MISSING (CABIN) · airframe 31,852 hrs · 33,440 cycles

EMERGENCY LIGHT AT ROW 2 D/E IS MISSING. REPLACED . RETURNED TO SERVICE.

Part: COVER — DETACHED (EMERGENCY LIGHT) · airframe 31,684 hrs · 33,262 cycles

EXIT SIGN COVER FELL OFF. REPLACED COVER. RETURNED TO SERVICE.

Part: STRUT — LEAKING (MLG) · airframe 31,421 hrs · 32,978 cycles

NR 1 BRAKE ASSY SMOKING DURING POST FLIGHT, FOUND POSSIBLE HYD FLUID ON STRUT AND AROUND BRAKE AREA, SMOKE SMELLED LIKE BURNING OIL. INSPECTED AND FOUND FLUID LEAKAGE FROM MLG SHOCK STRUT, PERFORMED MAIN LANDING GEAR SHOCK STRUT LEAKAGE INSPECTION IAW AMM TASK 32-00-01-200-801, NO LEAKS NOTED AT THIS TIME, DEFERRED FULL SERVICE OF LANDING GEAR. RETURNED TO SERVICE.

Part: LENS — DISLODGED (EMERGENCY LIGHT) · airframe 31,393 hrs · 32,948 cycles

EXIT SIGN AT EMERGENCY EXIT DOOR FELL OFF. SECURED THE LENS COVER FOR THE SIGN. OPS CHECKED GOOD. RETURNED TO SERVICE.

Part: ANTENNA — DAMAGED (ZONE 200) · airframe 31,259 hrs · 32,794 cycles

EXTREMELY LOUD SQUEALING, GARBALLY, NOISE HEARD OVER BOTH HEADSETS AND BOTH VHF 1 & VHF 2 RADIOS. INTERPHONE COMM REMAINED NORMAL. INTERFERRENCE STARTED AT CRUISE FLT FL240 AND CONTINUED TIL APPROX 15,000 ON DESCENT. RETURNED TO FIELD. LANDING UNEVENTFUL. INSPECTED ANTENNAS FOUND NR 2 COM ANTENNA HAS HOLE IN L/E. REPLACED AND OPS TEST GOOD IAW AMM 23-11-26-000/400-801. CHECKED HISTORY OF NR 1 & NR 2 COM RT NO LIKE HISTORY FOUND. CHECKED RCAU HISTORY SN 414, FOUND DUPLICATE DISCREPANCY IN TEARDOWN REPORT. REPLACED AS A PRECAUTIONARY RCAU AND TESTED GOOD IAW AMM 23-51-01-000/400-801. REPORT ABOVE READ 2 COMM STATIC IS HEARD IN BOTH NR 1 AND NR 2 RADIOS. AC IS OK FOR CONTINUED SERVICE.

Part: DOOR SILL — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

CORROSION DAMAGE ON THE FWD PASS DOOR LOWER MAIN SILL, PN 85329349 BETWEEN STATIONS X1.00 AND X32.40 STR 25P. FABRICATED EXTERNAL DOUBLERS USING MATERIAL, PN 2024-T3, .063" PO T000024091 IAW RD8/4-53-6007. APPLIED ALODINE AND EPOXY PRIMER REF RD8/4-53-6007. INSTALLED REPAIR WASHERS ON SKIN REF RD8/4-53-6007. LOCATED AND DRILLED EXTERNAL DOUBLERS IAW RD8/4-53-6007. INSTALLED EXTERNAL REPAIR DOUBLERS IAW RD8/4-53-6007. INSTALLED NEW LOWER SILL SECTION, PN 85329349 IAW RD8/4-53-6007. RESTORED FINISH REF RD 8/4-53-6007. COMPLIED WITH FORM M-184 FOR THE LOWER MAIN SILL INSTALLATION, PN 85329349-101 SECTION REPLACEMENT/REPAIR. EVALUATED PITTING CORROSION ON THE LOWER MAIN SILL INSTALLATION, PN 85329349-101. NO CORROSION ALLOWED, REPAIR TO RD8/4-53-6007 ISSUE 1 DATED 4 MAR 2014 REF TC 6-53-1160 FWD PAX DOOR.

Part: SKIN — CORRODED (BS 668-698) · airframe 31,090 hrs · 32,613 cycles

SURFACE CORROSION ON EXTERNAL FUSELAGE SKIN BENEATH AFT PAX DOOR AT APPROX STR 23P, BETWEEN FS STA X668.900 AND FS STA 698.000. REMOVED SURFACE CORROSION ON EXTERNAL FUSELAGE SKIN BENEATH AFT PAX DOOR APPROX STR 23P, X668.900 & X698.00 REF SRM 51-21-00. PERFORMED E/T U/T INSP ON EXTERNAL FUSELAGE SKIN BENEATH AFT PAX DOOR APPROX X668.9-X698.0 STR 23P BLENDOUT IAW NDTM 51-00-06 AND 51-00-04. THICKNESS IS .205-.212. NO DEFECTS NOTED. COMPLIED WITH FORM M-184 FOR EXTERNAL SKIN PANEL PN 85337134 AT LOCATION X668.90 TO X698.00 STRINGER 23P-STRINGER 24P. EVALUATED THE EXTERNAL SKIN BENEATH THE AFT PAX DOOR X668.900 TO X698.00 AND BETWEEN STRINGS 23P AND 24P. ORIGINAL MATERIAL THICKNESS 0.220" MIN MATERIAL REMAIING IS 0.205" MATERIAL LOSS IS 0.015". SKIN PANEL, PN 85337134 IS WITHIN LIMITS IN REWORK AREA REF EO 53-I00510. COMPLIED WITH TC 53-I00510.

Part: SEAT TRACK — DAMAGED (CABIN) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 18 DAMAGED OUT OF LIMITS. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05, SRM 51-42-45 AND SRM 51-40-15.

Part: SEAT TRACK — DAMAGED (CABIN) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 20 DAMAGED OUT OF LIMITS. REMOVED SEAT TRACK IAW SRM 51-40-15 AND SRM 51-42-05. INSTALLED SEAT TRACK IAW SRM 51-40-15, SRM 51-42-05, AND SRM 51-42-45.

Part: DOOR FRAME — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

FWD PAX DOOR AFT FRAME AT STA 32.4 HAS 2 HOLES CORRODED INSIDE. REAMED HOLES TO SIZE IAW RD 8/4-53-6146, ISSUE 1. MANUFACTURED BUSHINGS IAW RD8/4-53-6146, ISSUE 1, FROM 17-4 S/S CONDITION H1150 PO TX00000975. PERFORMED E/T INSP ON FWD PAX DOOR AFT FRAME AT STA 32.4 REAMED HOLES 2 EA IAW RD8/4-53-6146 ISSUE 1 DATED 2014-05-01 AND NDTM PT1 51-00-06, PT6 51-00-05. NO DEFECTS NOTED. INSTALLED (2) BUSHING IN AFT FRAME X32.4 IAW RD8/4-53-6146 ISSUE 1. COMPLIED WITH HORIZON FORM M-184 FOR CORROSION FOUND ON THE FWD PAX DOOR, AFT FRAME AT X32.400 AND STR 25P, PN 85329156. EVALUATED CORROSION DAMAGE TO 2EA BOLT HOLES ON THE FWD PAX DOOR, AFT FRAME PN 85329156 AT X32.400 AND STR 25P. NO DAMAGE ALLOWED. REPAIR TO RD8/4-53-6146, ISSUE 1 AND TC RD8/4-53-6146 REF SRM 53-20-15-00-01, ITEM 53.

Part: SEAT TRACK — CORRODED (NR 19) · airframe 31,090 hrs · 32,613 cycles

NR 19 SEAT TRACK IS CORRODED OUT OF LIMITS. REMOVED THE SEAT TRACK IAW SRM 51-42-05, REPAIR-01, 51-42-45 AND 51-40-15. INSTALLED NEW SEAT TRACK, IAW SRM 51-40-15, STEP 6H.

Part: RIB — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

FIVE RIBS COMMON TO INNER AND OUTER EDGE BEAMS AFT PAX DOOR CORRODED. REMOVED RIBS AS SRM 51-42-05. INSTALLED 4 NEW RIBS AT AFT PAX DOOR REF SRM 51-42-05. NEW RIB COMMON TO INNER AND OUTER EDGE BEAMS AFT PAX DOOR LOC'N INSTALLED AT X 684.00 REF SRM 51-42-05. CORROSION NOT ALLOWED IAW E/C: 6-53-1160-AFT PAX DOOR. 5(EA) RIBS COMMON TO INNER AND OUTER EDGE BEAMS AFT PAX DOOR LOCATED AND DRILLED REF SRM 51-40-07. COMPLIED WITH FORM M184 FOR 5EA RIBS FOR THE AFT ENTRY LOWER SURROUND PN 85339514-101 (2EA), 85339515-101, 85339516-101, 85339517-101.

Part: DOOR FRAME — CORRODED (PAX DOORWAY) · airframe 31,090 hrs · 32,613 cycles

FWD PAX DOOR FWD FRAME STA 1.0 HAS TWO HOLES CORRODED INSIDE. REAMED HOLES TO SIZE IAW RD8/4-53-6146, ISSUE 1. MANUFACTURED BUSHINGS IAW RD8/4-53-6146 ISSUE 1 DATED 5/1/2014 FROM 17-4 S/S CONDITION H1150 PO TX00000975. PERFORMED ET INSP ON FWD PAX DOOR FWD FRAME AT STA 1.0 REAMED HOLES IAW NDTM PT1 51-00-06 & PT6 51-00-05 AND RD 8/4-53-6146, ISSUE 1 DATED 2014-05-01. NO DEFECTS NOTED NDT REPORT ATTACHED. INSTALLED BUSHINGS IN FWD FRAME IAW RD8/4-53-6146, ISSUE 1.

Part: BEAM — CORRODED (EMERGENCY EXIT) · airframe 31,090 hrs · 32,613 cycles

TYPE II EMERGENCY EXIT BEAM ASSY, CORRODED. REMOVED BEAM, IAW SRM 51-42-05. INSTALLED BEAM IAW SRM 51-42-05.

Part: INTERCOSTAL — CORRODED (BS 664-669) · airframe 31,090 hrs · 32,613 cycles

INTERCOSTAL AT STRINGER 24P BETWEEN X664.500 TO X669.300 CORRODED, PN 85339344-101. REMOVED INTERCOSTAL, PN 85339344-101 AT STR 24P BETWEEN X664.500 TO X669.30 REF SRM 51-40-15 STEP 6M. INSTALLED INTERCOSTAL, PN 85339344-101, REF SRM 51-40-15. REMOVED 6EA HI-LIGHTS ON STR 24P BETWEEN X664.500 & X668.900 TO FOM REF SRM 51-40-15, STEP 6M. INSTALLED 6 HI-LIGHTS ON STR 24P BETWEEN STA 664.5 TO 668.8, REF SRM 51-40-15. FORM M-184 ACCOMPLISHED. LOCATED AND DRILLED INTERCOSTAL, PN 85339344-100, REF SRM 51-40-07.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

THRESHOLD PLATE ON THE FWD PASSENGER DOOR SURROUND STRUCTURE IS CORRODED. REMOVED CORRODED THRESHOLD PLATE IAW SRM 51-42-05-02-01-4(E). INSTALLED A NEW THRESHOLD PLATE IAW SRM 51-42-05-02-01 4(D).

Part: BRACKET — CORRODED (DOOR SEAL) · airframe 31,090 hrs · 32,613 cycles

PAX DOOR SEAL BRACKET ASSY CORRODED, PN 85307741-031 LOCATED AT X6.00 UNDER MCD THRESHOLD CHANNEL. BRACKET ASSY, PN:85307741-031, REMOVED, IAW SRM 51-42-05. INSTALLED A NEW BRACKET ASSY, PN:85307741-031 AT X 6.00 UNDER MCD THRESHOLD CHANNEL REF SRM 51-42-05-02-01 4(D). LOCATED AND DRILLED NEW BRACKET, PN:85307741-031 IAW SRM 51-40-07. EVALUATED CORROSION ON THE FWD PAX DOOR SEAL SUPPORT BRACKET, PN:85307741-031 AND FOUND EVIDENCE OF HEAVY PITTING CORROSION. PART IS OUT OF LIMITS REF DWG 85307741, REV B. C/W FORM M-184 FOR PN:85307741-031.

Part: ACCESS PANEL — CORRODED (WING) · airframe 31,090 hrs · 32,613 cycles

FUEL TANK PANEL, 622BT HAS CORROSION/PITTING IN FASTENER HOLES MULTIPLE LOCATIONS. REWORKED 622BT FASTENER HOLES FOUND TO BE OUT OF LIMITS, REF SRM 57-10-35 6A (A) (2) PG 203. COMPLETED M-184. ORDERED /RECEIVED NEW PANEL 622BT, PANEL INSTALLED ON 5403735/5054.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

THRESHOLD CHANNEL ON THE FWD PASSENGER DOOR SURROUND STRUCTURE IS CORRODED. REMOVED CORRODED THRESHOLD CHANNEL, PN:85329540-001 ON THE FWD PAX DOOR REF SRM 51-42-05-02-01 4(E). INSTALLED NEW THRESHOLD CHANNEL, PN:85329540-001 ON THE FWD PAX DOOR, IAW SRM 51-42-05. LOCATED AND DRILLED NEW THRESHOLD CHANNEL PN:85329540-001 IAW SRM 51-40-07. EVALUATED CORROSION ON THE FWD PAX DOOR THRESHOLD CHANNEL, PN:85329540-001. PART REQUIRES REPLACEMENT REF TC 6-53-1160 FWD PAX DR ITEM 5. FORM M-184 FORM PN:85329540-001.

Part: BRACKET — CORRODED (PAX DOOR) · airframe 31,090 hrs · 32,613 cycles

FWD PAX DOOR, BRACKET, PN 85329576-103 AT X 6.7 AND BRACKET, PN 85329576-104 AT 26.7 FOUND CORRODED. REMOVED 2EA CORRODED BRACKETS, PN 85329576-103 AT X 6.7 AND PN 85329576-104 AT X26.7 REF SRM 51-42-05-02-01 4(E). INSTALLED 2EA NEW BRACKET, PN 85329576-103 AT X 6.7 AND PN 85329576-104 AT X 26.7 IAW SRM 51-42-05. COMPLIED WITH FORM M-184 FOR 2 EA PN 85329576-103 AND PN 85329576-104. EVALUATED CORROSION ON ANGLE, PN 85329576-103 AT X 6.700 AND ANGLE PN 85329576-104 AT 26.700 AND FOUND BOTH ANGLES TO BE HEAVILY PITTED WITH CORROSION. PARTS ARE OUT OF LIMITS REF SRM 53-20-23-00-01. LOCATED AND DRILLED NEW FASTENER HOLES FOR 2 EA ANGLES PN 85329576-104 AND ANGLE PN 85329576-103 REF SRM 51-40-07-02-01 (5).

Part: CLEAT — DAMAGED (PAX DOOR) · airframe 31,090 hrs · 32,613 cycles

FWD PAX DOOR CLEATS, AT X32.4 AND AT X19.400 FOUND WITH ELONGATED HOLES. CLEAT, PN:85329571-101 AT X32.4 AND CLEAT, PN:85329571-109 AT X19.4 REMOVED IAW SRM 51-42-05. INSTALLED NEW CLEAT, PN:85329571-101 AT X32.4 AND CLEAT PN:85329571-109 AT X19.4 IAW SRM 51-42-05. LOCATED AND DRILLED NEW CLEATS, PN:85329571-109, NOW 85329571-111 AND QX85329571-101, REF SRM 51-40-07, REPAIR -01.

Part: SEAT TRACK — CORRODED (NR 10) · airframe 31,090 hrs · 32,613 cycles

NR 10 SEAT TRACK IS CORRODED OUT OF LIMITS. REMOVED THE SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-40-15, SRM 51-42-05 AND AMM 20-10-01-430-801.

Part: ACCESS PANEL — CORRODED (WING) · airframe 31,090 hrs · 32,613 cycles

FUEL TANK PANEL 622CT HAS CORROSION/PITTING IN THE FASTENER HOLES IN MULTIPLE LOCATIONS. EVALUATE FUEL PANEL 622CT. REWORKED FASTENER HOLES ON 622CT, FOUND TO BE OUT OF LIMITS, REF SRM 57-10-35 6.A (1) AND (2) PAGE 2 OF 3. COMPLIED WITH M-184. PANEL 622CT REQUIRES REPLACEMENT AND INSTALLATION. RECEIVED NEW PANEL FROM STOCK. INSTALLATION ACCOMPLISHED ON JOB 5403735, OP 5012, T/C FOM4-622CT.

Part: SEAT TRACK — CORRODED (NR 13) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 13 IS CORRODED OUT OF LIMITS. REMOVED CORRODED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — DAMAGED (CABIN) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 12 DAMAGED OUT OF LIMITS. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-02 AND 51-40-15.

Part: FRAME — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

CORROSION FOUND ON FRAME -39.00 BETWEEN STR 31S AND 31P. CORROSION REMOVED IAW SRM 51-21-00. PERFORMED U/T INSPECTION IAW NDTM 51-00-04. FOUND WITHIN LIMITS IAW NDT REPORT LINE ITEM NR 3 AND SRM 53-10-15, P59 STRUCT IDENT-01. RESTORED FINISH IAW SRM 51-25-05.

Part: SEAT TRACK — UNKNOWN · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 5 IS OUT OF LIMITS. REMOVED SEAT IAW SRM 51-42-05 REPAIR 01, SRM 51-40-15, REPAIR 01 AND SRM 51-41-00. INSTALLED SEAT TRACK IAW SRM 51-41-00 AND SRM 51-42-05, STEP 4D.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 2 CORROSION FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05, 51-40-07, AND 51-40-15.

Part: STRINGER CLIP — CORRODED (BS 32) · airframe 31,090 hrs · 32,613 cycles

STRINGER CLIP 26R CORRODED AT BS 32.4. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-15 AND SRM 51-42-05.

Part: FLOORBEAM — CORRODED (CABIN) · airframe 31,090 hrs · 32,613 cycles

FLOORBEAM TEE CORRODED AT BS 19.4. R & R CORRODED FLOORBEAM TEE SRM 51-42-05.

Part: SEAT TRACK — CORRODED · airframe 30,191 hrs · 32,613 cycles

SEAT TRACK NR 15 FOUND CORRODED OUT OF LIMITS. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00, AND 51-42-05.

Part: SEAT TRACK — CORRODED (BS 121-226) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 1 HAS EVIDENCE OF CORROSION FS 121, 186, 206, AND 226. REMOVED CORROSION, AND FOUND WITHIN ALLOWABLE LIMITS.

Part: SEAT TRACK — CORRODED (BS 361-565) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 7 SHOW EVIDENCE OF CORROSION AT BS 361, 550, AND 565. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-20-49, FIG 2, SHEET 2. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05 AND 51-41-00, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 95-120) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 18 SHOWS EVIDENCE OF CORROSION AT BS 95, 110 AND 120. REMOVED CORROSIONIAW SRM 53-20-49, FIG 201 SHEET 3. FOUND OUT OF LIMITS IAW SRM 53-20-49 FIG 201, SHEET 3. REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (NR 5) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 5 SHOW EVIDENCE OF CORROSION AT LT INBD APPROXIMATELY FS 71-81. REMOVED CORROSION ON SEAT RAIL 5, AT FS X 71.00 AND X81.00 APPROXIMATELY LT INBD IAW SRM 53-20-49, FIG 201, SHEET 2. EVALUATED CORROSION REMOVAL ON SEAT RAIL 5 AT FS X71.00 Y9.25. MATERIAL REMOVED ON UPPER CLAW .020 USING TUC 4745, DUE 28, FEB 2015. BEYOND ALLOWABLE LIMITS IAW SRM 53-20-49, FIG 201, SHEET 2. COMPLIED WITH CORROSION FINDINGS REPORT FORM M-184. REMOVED SEAT TRACK NR 5, REF SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK NR 5 REF SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 186-225) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 12 SHOWS EVIDENCE OF CORROSION AT BS 186 AND 225. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-20-49, FIG 2, SHEET 2. C/W HORIZON AIR CORROSION FINDINGS REPORT FORM M-184. REMOVED SEAT TRACK NR 12, REF SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK NR 12, REF SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 575) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK, NR 14 SHOWS EVIDENCE OF CORROSION AT BS 575.00. REMOVED CORROSION IAW SRM 53-20-49, FIG 201, SHEET 2. FOUND OUT OF LIMITS IAW SRM 53-20-49, FIG 201, SHEET 2 REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 574-624) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 20 SHOWS EVIDENCE OF CORROSION AT BS 574.5, 604.5, AND 624.5. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-20-49, FIG 201, SHEET 3. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00, 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 311-489) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 19 SHOWS EVIDENCE OF CORROSION AT BS 311, 401, 411, 469 AND 489. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-20-49, FIG 201, SHEET 3. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00, 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 301-459) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 2 HAS EVIDENCE OF CORROSION AT BS 301, 413, 439, AND 459. REMOVED CORROSION IAW SRM 53-20-49, FIG 201, SHT 3. FOUND TO BE BEYOND ALLOWABLE LIMITS AT BS 459 IAW SRM 53-20-49, FIG 201. REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-05. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15, 41-40-07.

Part: SEAT TRACK — CORRODED (BS 459-479) · airframe 31,090 hrs · 32,613 cycles

SEAT TRACK NR 13 SHOWS EVIDENCE OF CORROSION AT BS 459 & 479. REMOVED CORROSION IAW SRM 52-20-49, FIG 201, SHEET 2. FOUND OUT OF LIMITS IAW SRM 53-20-49, FIG 2, SHEET 2. REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (BS 668) · airframe 31,090 hrs · 32,613 cycles

EVIDENCE OF CORROSION ON RT INBD NR 15 SEAT TRACK AT BS 668.9. COMPLIED WITH CORROSION FINDINGS REPORT FORM M-184. REMOVED CORROSION ON SEAT RAIL NR 15 FSX+668.90 RBL Y+9.25 MAXIMUM MATERIAL LOSS OF .025 USING DIAL DEPTH GAUGE ID TUC6161 DUE 31 AUG 2014 UPPER CLAW FOUND TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-20-49, REPAIR-02, FIG 201. REMOVED SEAT TRACK NR 15 REF SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK 15 REF SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (NR 10) · airframe 31,090 hrs · 32,613 cycles

EVIDENCE OF CORROSION ON RT INBD SEAT TRACK NR 10 AT STA +1.00 AND +6.00. REMOVED CORROSION ON SEAT TRACK, FOUND TO BE OUT OF LIMITS IAW SRM 53-20-49, REPAIR-02, FIG 201. REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (NR 8) · airframe 31,090 hrs · 32,613 cycles

EVIDENCE OF CORROSION ON LT INBD SEAT TRACK NR 8 AT APPROX FS 663.00. REMOVED CORROSION AND FOUND TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-20-49 REPAIR-02, FIG 201. REMOVED SEAT TRACK IAW SRM 51-42-05 AND 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 31,090 hrs · 32,613 cycles

EVIDENCE OF CORROSION ON RT INBD SEAT TRACK AT BS 49.975. REMOVED CORROSION AND FOUND OUT OF LIMITS IAW SRM 53-20-49, REPAIR-02, FIG 201. REMOVED SEAT TRACK IAW SRM 51-42-05 AND SRM 51-41-00. INSTALLED NEW SEAT TRACK IAW SRM 51-42-05, 51-40-15 AND 51-40-07.

Part: SKIN — CORRODED (FUSELAGE) · airframe 31,090 hrs · 32,613 cycles

FOUND EVIDENCE OF CORROSION UNDER AFT SERVICE DOOR SCUFF PLATE ON OUTER SKIN. REMOVED CORROSION ON AFT SERVICE DOOR SKIN, UNDER SCUFF PLATE REF SRM 53-00-00, REPAIR -01. PERFORMED E/T INSP ON AFT SERVICE DOOR SCUFF PLATE OUTER SKIN BLEND OUT. IAW NDTM 51-00-06 AND 51-00-04. THICKNESS IS .198-.205, DEFECT NOTED, NDT REPORT ATTACHED. FOUND OUT OF LIMITS REF SRM 53-00-00, REPAIR -01, FOR DAMAGE CLOSER THAN 2" FROM CUT-OUT, MAX BLEND .002. ORIGINAL THICKNESS .220", REMAINING THICKNESS .198", MAX BLENDED .022". C/W CORROSION FORM M-184. RECEIVE EO 53-I00509. C/W TC 53-100509. APPLIED TOPCOAT TO BLENDED AREA ON AFT SERVICE DOOR THRESHOLD SCUFF PLATE REF SRM 51-25-05.

Part: LENS — LOOSE (EMERGENCY LIGHT) · airframe 30,717 hrs · 32,228 cycles

TYPE II, EMERGENCY EXIT IDENTIFIER PLASTIC COVER COMING LOOSE. FOUND DAMAGED TABS ON LENS COVER. R & R LENS COVER WITH NEW FROM STOCK AS REQUIRED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: LENS — UNSECURE (EMERGENCY LIGHT) · airframe 30,717 hrs · 32,228 cycles

EMERGENCY EXIT SIGN LOOSE. FOUND DAMAGED TABS ON LENS COVER. R & R LENS COVER. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: LENS — DAMAGED (EMERGENCY LIGHT) · airframe 30,356 hrs · 31,857 cycles

EMERGENCY EXIT SIGN BY FORWARD EMERGENCY EXIT IS BROKEN. REPLACED THE LENS FOR THE SIGN. OPS TESTS GOOD. RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (SPOILERS) · airframe 30,154 hrs · 31,652 cycles

SPOILER OTBD CAUTION LIGHT ILLUMINATED INTERMITTENTLY TWICE. RETURNED TO FIELD AND ACCOMPLISHED UNEVENTFUL LANDING. COMPLIED WITH FIM TASK 27-60-00-810-805, PERFORMED INTERROGATION OF CDS AND ONLY FOUND FAULTS- ADC FAILURE, IFC FAILURE, AND COPLI TRIM SW FAILURE. NO FAULTS ARE RELATED TO CAUTION, SPOILER OTBD, PERFORMED OPS TEST OF ROLL SPOILER SYSTEM IAW AMM TASK 27-60-00-710-801, OPS CHECKED GOOD. NO CAUTION CAME BACK. RETURNED TO SERVICE.

Part: BUTTON — STUCK (TCS) · airframe 29,612 hrs · 31,069 cycles

CAPTAIN`S TCS BUTTON STUCK. RETURNED TO FIELD. LANDING UNEVENTFUL. R & R CAPTAINS TCS SWITCH IAW AMM 27-31-06-400-801, STEP 4, A, 6. CW PERTINENT PARTS OF AUTOPILOT FUNCTIONAL CHECKED AMM 22-11-00-720-804 4, B, 4, C, P 540-541. AP AND TCS TESTED GOOD. RETURNED TO SERVICE.

Part: SELECTOR VALVE — MALFUNCTIONED (ZONE 700) · airframe 29,293 hrs · 30,736 cycles

ALTERNATE GEAR EXTENSION DOOR IS BINDING. WILL ONLY OPEN HALF WAY. REPLACED SECONDARY MLG SELECTOR VALVE IAW MM TASK 29-21-06-000-801 AND 29-21-06-400-801. LANDING GEAR ALTERNATE EXTENSION SYS OPS TESTED GOOD IAW MM TASK 32-34-00-710-801.

Part: SEALANT — MISSING (RT DOORWAY) · airframe 28,997 hrs · 30,427 cycles

PASSENGERS & F/A REPORTED VERY LOUD NOISE COMING FROM FWD RT EXIT. PASSENGER HAD TO BE MOVED. DIVERTED AND ACCOMPLISHED A UNEVENTFUL LANDING. GROUND RAN ACFT FOUND EVIDENCE OF AIR LEAKAGE FROM FWD & AFT POSITIONS DITCHING DAM AND UPPER EXIT MEET ON FUSELAGE APERTURE. REMOVED EXITS AND PERFROMED GVI OF DOOR SEALS AND APERTURE. FOUND AREAS OF MISSING SEALANT AT APERTURE AT DITCHING DAM AND UPPER EXIT JOINT. APPLIED SEALANT AND INSTALLED EXITS. GROUND RAN A/C PRESSURIZED A/C TO 4.0 PSI DIFFERENTIAL IAW MM 21-00-00-863-801. NO LEAKAGE OR NOISES HEARD FROM INSIDE OF CABIN. RETURNED TO SERVICE.

Part: SEALANT — MISSING (EMERGENCY EXIT) · airframe 28,870 hrs · 30,293 cycles

LOW POP REPORTED ON CLIMB OUT BY PAX IN 2E. F/A 'S CALLED AT CRUISE FL 220 TO REPORT PAX REPORT AND TO SAY IT WAS SO LOUD WITH NOISE NOW THEY COULDN'T TALK TO EACH OTHER BY 2E. DIVERTED, AND MADE A UNEVENTFUL LANDING. REMOVED UPPER FWD EMERGENCY EXIT DOOR IAW AMM 52-22-00-000-801. FOUND NO SEALANT ON UPPER CORNERS OF LOWER FWD EMERGENCY EXIT DOOR. APPLIED NEW SEALANT TO UPPER CORNERS OF LOWER FWD EMERGENCY EXIT DOOR AS REQUIRED IAW AMM 51-23-00-390-801. CLOSED LOWER FWD EMERGENCY EXIT DOOR AND INSTALLED UPPER FWD EMERGENCY EXIT DOOR IAW 52-22-000-400-801. PRESSURIZED ACFT TO 4.5 PSID IAW AMM 21-00-00-863-801. NO "POPS", "SQUEALS" OR LOUD UNUSUAL NOISE NOTED. ACFT HOLDS PRESSURE OK. LEAK CHECK OK. DE-PRESSURIZED ACFT IAW AMM 21-00-00-863-802. NO FURTHER DEFECTS NOTED. NOTE: REF USED FOR SEALANT PLACEMENT ABOVE WAS IAW HS 52-0008 STEP 1B. RETURNED TO SERVICE.

Part: SEAL — TORN (EMERGENCY EXIT) · airframe 28,879 hrs · 29,261 cycles

FORWARD EMERGENCY EXIT LOWER DOOR BULB SEAL IS TORN.

Part: CAM — LOW TORQUE (EMERGENCY EXIT) · airframe 28,879 hrs · 29,261 cycles

RT FORWARD EMERGENCY EXIT LOWER DOOR LATCH COVER HAS CORRODED BOLT HEADS AND SHOOT PIN CAM HAS LOW SPRING TENSION.

Part: COVER — MISSING (LIGHT SWITCH) · airframe 28,879 hrs · 29,261 cycles

F/A EMERGENCY LIGHT SWITCH COVER IS MISSING. REPLACED COVER.

Part: COVER — MISSING (LIGHT SWITCH) · airframe 27,047 hrs · 28,369 cycles

THE COVER FOR THE EMERGENCY LIGHTING SWITCH IS MISSING. BY THE FORWARD PAX DOOR. REPLACED SWITCH LIGHT COVER NO OTHER DEFECTS NOTED.

Part: LIGHT — DAMAGED (ZONE 200) · airframe 26,963 hrs · 28,282 cycles

CABIN FLOOR PATH LIGHTING AT ROWS 1-2 IS DISCOLORED FOR MORE THEN 50 PERCENT OF THE WIDTH. REPLACED EFFECTED FLOOR PATH LIGHTING STRIPS AS REQUIRED.

Part: LIGHT — DETERIORATED (CABIN) · airframe 26,848 hrs · 28,158 cycles

DURING INSPECTION OF THE FLOOR TRACK EGRESS LIGHTING, FOUND STRIPS TO BE DETERIORATED AT THE FLIGHT COMPARTMENT DOOR AND AT THE FORWARD BAGGAGE DOOR. REPLACED THE EFFECTS STRIPS AS REQUIRED. RETURNED TO SERVICE.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHTS) · airframe 25,599 hrs · 26,833 cycles

3 CEILING AFT EMERGENCY LIGHTS FLICKER WHEN EMERGENCY LIGHTS ARE TESTED. REPLACED NR 3 POWER SUPPLY AND REPLACED WITH A SERVICABLE UNIT IAW AMM TASK 33-51-01-400-801. CHECKS GOOD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 25,599 hrs · 26,833 cycles

EMERGENCY LIGHTS STAY ON AFTER A/C POWER IS TURNED OFF. REPLACED THE NR 3 POWER SUPPLY IAW TASK 33-51-01-000-801. CHECKS GOOD.

Part: FRAME — CORRODED (BS 882.703) · airframe 25,295 hrs · 26,512 cycles

CORROSION FOUND ON AFT VERTICLE SIDE OF FRAME AT BS 882.703. REMOVED CORROSION IAW SRM 51-21-00-00-02. FOUND TO BE WITH LIMIT AND COMPLETED REPAIR IAW RD 8/4-55-711.

Part: STRUT — MALFUNCTIONED (PAX DOOR) · airframe 25,384 hrs · 26,602 cycles

INITIAL LEVER THROW ON MAIN CABIN DOOR VERY STIFF & DIFFICULT. ADJUSTED LIFT AND LATCH MECHANISM AND R & R GAS STRUTS. DOOR FUNCTIONAL CHECKED GOOD IAW AMM 52-11-00-720-802. RETURNED TO SERVICE.

Part: DOOR — BINDING (MAIN PAX) · airframe 25,320 hrs · 26,535 cycles

MAIN CABIN DOOR DIFFICULT TO OPEN UP. COMPLIED WITH GVI OF DOOR HANDLE AND EXTERNAL LATCHING LUGS, NO DEFECTS FOUND. COMPLIED WITH FUNCTIONAL CHECK OF AIRSTAIR DOOR HANDLE IAW MM TASK 52-11-00-720-802. FUNCTIONAL CHECKED GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: HANDLE — LACK OF LUBE (MAIN PAX) · airframe 25,315 hrs · 26,532 cycles

MAIN CABIN DOOR IS DIFFICULT TO OPEN AND CLOSE. LUBED DOOR HANDLE LINKAGE, DOOR OPS CHECKED GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK 9, OUT OF LIMITS. REPLACED TRACK IAW SRM 51-21-10-02-01.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK 25. REPLACED SECTION OF TRACK IAW SRM 51-21-10-02-01.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON THE RT SEAT TRACK FOURTEEN. REPAIRED MINOR CORROSION IAW RD 8/4-53-884. NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON THE RT SEAT TRACK TWENTY FOUR. REPAIRED MINOR CORROSION IAW RD 8/4-53-884. NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON RT SEAT TRACK TWENTY THREE. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK 5. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON RT SEAT TRACK, SIXTEEN. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK 13. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884 NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK NUMBER SIX, MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON RT SEAT TRACK, TWELVE. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884, NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON LT SEAT TRACK, EIGHT. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON RT SEAT TRACK SEVEN. MINOR CORROSION DAMAGE REPAIRED IAW RD 8/4-53-884. NDT C/O, NO CRACKS FOUND.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND ON RT SEAT TRACK 15, REPLACED SEAT TRACK IAW SRM 51-21-10-02-01.

Part: SKIN — CORRODED (BS 301-321) · airframe 25,295 hrs · 26,512 cycles

FUSELAGE SKIN INTERIOR FOUND CORRODED AT X301 TO X321 BETWEEN STR 32S AND 33S. REPAIRED MINOR CORROSION DAMAGE IAW RD 8/4-53-666 NDT C/O NO CRACKS FOUND.

Part: SKIN — CORRODED (BS 116-136) · airframe 25,295 hrs · 26,512 cycles

FUSELAGE SKIN INTERIOR FOUND CORRODED AT X116.0 TO X136.0 BETWEEN STR 24P AND 25P. REPAIRED MINOR CORROSION DAMAGE IAW RD 8/4-53-666. NDT C/O NO CRACKS FOUND.

Part: SKIN — CORRODED (BS 216-234) · airframe 25,295 hrs · 26,512 cycles

FUSELAGE SKIN INTERIOR FOUND CORRODED AT X216 TO X234 BETWEEN STR 32P AND 33P. REPAIRED MINOR CORROSION DAMAGE IAW RD 8/4-53-666. NDT C/O NO CRACKS FOUND.

Part: WEB — CORRODED (ZONE 100) · airframe 25,295 hrs · 26,512 cycles

CABIN FLOOR WEB FOUND CORRODED UNDER SEAT TRACK. ALL CORROSION FOUND UNDER SEAT TRACK HAS BEEN REMOVED IAW RD 8/4-53-4026.

Part: PLATE — CORRODED (EMERGENCY EXIT) · airframe 25,296 hrs · 26,513 cycles

SUSPECT CORROSION UNDER THE FORWARD EMERGENCY EXIT DOOR SILL PLATE. TWO ANCHOR NUTS FOUND TO BE CORRODED, REPLACED IAW SRM 51-42-05 AND INSTALLED NEW PLATE.

Part: SKIN — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

FUSELAGE SKIN INTERIOR FOUND CORRODED AT X1.00 TO X19.4 BETWEEN STR 24P AND 25P. REPAIRED MINOR CORROSION DAMAGE IAW RD 8/4-53-666. NDT C/O NO CRACKS FOUND.

Part: SKIN — CORRODED (BS 156-176) · airframe 25,295 hrs · 26,512 cycles

FUSELAGE SKIN INTERIOR FOUND CORRODED AT X156 TO X176 BETWEEN STR 30S AND 31S. REPAIRED MINOR CORROSION IAW RD 8/4-53-666. NDT C/O NO CRACKS.

Part: WEB — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

CABIN FLOOR WEB FOUND CORRODED UNDER SEAT TRACK. ACFT DOWN FOR C-CHECK.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,296 hrs · 26,513 cycles

FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524BT. REMOVED CORROSION IAW RD 8/4/57/442. DETERMINED TO BE CRACK FREE. MIN REMAINING THICKNESS IS 0.121" WITHIN LIMITS. ALODINED PRIMED AND PAINTED AREA.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 624CT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 624CT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 624CT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .084". ALODINED AND PRIMED LANDING PLATE ON PANEL 624CT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LT WING ACCESS PANEL 525AT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 525AT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 525AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .125". ALODINED AND PRIMED PANEL 525AT IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524ET. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524ET IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524ET CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .082". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524ET IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524AT. ACFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524AT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .083". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524AT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524CT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524CT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524CT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .083". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524CT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON RT WING ACCESS PANEL 625AT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 625AT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 625AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .116". ALODINED AND PRIMED PANEL 625AT IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 625AT. ACIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION AND LANDING PLATE FOR PANEL 625AT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 625AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .085". ALODINED AND PRIMED LANDING PLATE ON PANEL 625AT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 624FT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION AND LANDING PLATE FOR PANEL 624FT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 624FT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .083". ALODINED AND PRIMED LANDING PLATE ON PANEL 624FT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 525AT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 525AT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 525AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .083". ALODINED AND PRIMED LANDING PLATE FOR PANEL 525AT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON RT WING ACCESS PANEL 624BT. ACFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 624BT IAW RD 8/4-57-445. NDT REQUIRED ON LANDING PLATE FOR PANEL 624BT, CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445. MINIMUM THICKNESS REMAINING IS.085". ALODINED AND PRIMED LANDING PLATE FOR 624BT IAW DASH 8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524DT. ACFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524DT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524DT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .082". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524DT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524BT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524BT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524BT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .082". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524BT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 622BT. BLENDED OUT CORROSION IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .081". ALODINED AND PRIMED LANDING PLATE ON PANEL IAW PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 624DT. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 624DT IAW BOMBARDIER RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 624DT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .081". ALODINED AND PRIMED LANDING PLATE ON PANEL 624DT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR LT WING FUEL ACCESS PANEL 524FT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 524FT IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 524FT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-445, MINIMUM THICKNESS REMAINING IS .083". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524FT IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 624AT. BLENDED OUT CORROSION IAW RD 8/4-57-445. NDT PERFORMED ON LANDING PLATE FOR PANEL 624AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS IAW RD 8/4-57-445. ALODINED AND PRIMED PLATE IAW -8 PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON RT WING ACCESS PANEL 621BT. ACFT DOWN FOR C-CHECK. ACCESS PANEL 621BT REMOVED IAW AMM 57-11-06-000-802. REMOVED CORROSION FROM PANEL 621BT IAW RD 8/4-57-425. NDT PERFORMED ON PANEL 621BT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS AS PER RD 8/4-57-425. MIN REMAINING THICKNESS IS 0.217. ALODINED AND PRIMED PANEL 621BT IAW RD 8/4-57-425.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED FRETTING CORROSION ON LANDING PLATE FOR RT WING ACCESS PANEL 621BT. AIRCRAFT DOWN FOR C-CHECK. BLENDED OUT CORROSION ON LANDING PLATE FOR PANEL 621BT IAW RD 8/4-57-441. NDT PERFORMED ON LANDING PLATE FOR PANEL 621BT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-441. MINIMUM THICKNESS REMAINING IS .187". ALODINED AND PRIMED LANDING IAW PSM 1-84-3.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524BT. REMOVED CORROSION IAW AMM TASK 57-21-01-000-801. NDT PERFORMED, CONFIRMED CRACK FREE AND WITHIN LIMITS IAW RD 8/4-57-442. ALODINED AND PRIMED PANEL IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624DT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 624DT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 624DT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .116". ALODINED AND PRIMED PANEL 624DT IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524ET. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 524ET IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 524ET CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .124". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524ET IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524DT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 524DT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 524DT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .125". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524DT IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624BT. REMOVED CORROSION IAW RD 8/4-57-442. NDT PERFORMED ON PANEL. CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .121". ALODINED AND PRIMED PANEL IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624AT. REMOVED CORROSION IAW RD 8/4-57-442. NDT PERFORMED ON PANEL, CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .115". ALODINED AND PRIMED PANEL IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624CT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 624CT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 624CT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .117". ALODINED AND PRIMED PANEL 624CT IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 523AT. AIRCRAFT DOWN FOR C CHECK. REMOVED CORROSION FROM PANEL 523AT IAW RD 8/4-57-425. NDT PERFORMED ON PANEL 523AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS AS PER RD 8/4-57-425. ALODINED AND PRIMED PANEL 523AT IAW RD 8/4-57-425.

Part: STRUCTURE — CORRODED (BS 284) · airframe 25,296 hrs · 26,513 cycles

CORROSION FOUND BELOW FLOOR X284 CENTER SECTION. REMOVED LIGHT SURFACE CORROSION ON INTERIOR STRAP STATION 284 BETWEEN STRINGER 31P AND 32P WATER LINE Z81 IAW SRM 51-21-00-00-02. C/W RD 8/4-53-3894. ULTRASONIC INSP REVEALED NO CRACKS. BLENDED AND ALODINED. APPLIED PRIMER AND PAINT AND PROTECTED AREA.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624ET. AIRCRAFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 624ET IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 624ET CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .117". ALODINED AND PRIMED PANEL 624ET IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524FT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 524FT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 524FT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .129". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524FT IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524CT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 524CT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 524CT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .120". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524CT IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (RT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON RT WING FUEL TANK ACCESS PANEL 624FT. AIRCRAFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 624FT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 624FT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .116". ALODINED AND PRIMED PANEL 624FT IAW 8/4-57-442.

Part: ACCESS PANEL — CORRODED (LT WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING CORROSION ON LT WING FUEL TANK ACCESS PANEL 524AT. ACFT DOWN FOR C-CHECK. REMOVED CORROSION FROM PANEL 524AT IAW RD 8/4-57-442. NDT PERFORMED ON PANEL 524AT CONFIRMED CRACK FREE AND FOUND TO BE WITHIN LIMITS PER RD 8/4-57-442, MINIMUM THICKNESS REMAINING IS .110". ALODINED AND PRIMED LANDING PLATE FOR PANEL 524AT IAW RD 8/4-57-442.

Part: ACCESS PANEL — CORRODED (WING) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE FRETTING ON FUEL TANK ACCESS PANELS AND ASSOCIATED LANDING PLATES. MINOR FRETTING CORROSION REPAIRED IAW SRM 57-20-35-01-01, 51-20-35-05-01, 57-10-35-01-01 AND 57-10-35-02-01.

Part: SILL — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

FWD PAX DOOR SILL HAS SIGNS OF CORROSION. REMOVED CORRODED SILL PLATE, LOCATED AND DRILLED AND INSTALLED NEW THRESHOLD SILL PLATE IAW SRM 51-42-00.

Part: SILL — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

AFT SERVICE DOOR FLOOR SILL AREA CORROSION FOUND. SURFACE CORROSION REMOVED IAW 51-21-00-00-02. ALODINE TREATMENT IAW 51-21-10-02-01. AREA PRIMED IAW 51-25-10-02-01.

Part: FIREWALL — CRACKED (LT NACELLE) · airframe 25,295 hrs · 26,512 cycles

LT NACELLE FIREWALL SUSPECTED CRACKED AT UPPER INBD CORNER. ACFT DOWN FOR C-CHECK.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 25,295 hrs · 26,512 cycles

RT NACELLE FIREWALL SUSPECTED CRACKED IN LOWER OTBD CORNER. ACFT DOWN FOR C-CHECK.

Part: HEAT SHIELD — CRACKED (RT NACELLE) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. RT NACELLE FIREWALL SUSPECTED CRACKED IN LOWER OTBD CORNER. CRACK CONFIRMED ON RT OTBD HEAT SHIELD. HEAT SHIELD REPLACED.

Part: HEAT SHIELD — CRACKED (LT NACELLE) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. LT NACELLE FIREWALL SUSPECTED CRACKED AT UPPER INBD CORNER. CRACK CONFIRMED. HEAT SHIELD REPLACED.

Part: SKIN — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

SUSPECTED SURFACE CORROSION UNDER CABIN FLOOR X286 CENTER SECTION. ACFT DOWN FOR C-CHECK. CORROSION BLENDED OUT AND FOUND TO BE WITHIN LIMITS IAW RD 8/4-53-2344.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

SEAT TRACK CORROSION AT STA X-39.0 TO X70-5 RT SIDE. FOUND BLEND BEYOND LIMITS. REMOVED DAMAGED SECTION OF SEAT TRACK AND REPLACED WITH NEW SERVICEABLE SEAT TRACK IAW SRM 51-21-10-02-01, 51-25-10-02-01, 51-25-05-02-01, 51-42-05-02-01, 51-42-45-02-01 AND 51-40-15-02-01.

Part: SKIN — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. FUSELAGE SKIN INTERIOR SURFACE FOUND CORRODED FROM STA X39.00 TO STA X324.00. VARIOUS GROUND STUD CORRODED IN THE SAME AREA. REPAIRED IAW RD 8/4-53-666.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 25,295 hrs · 26,512 cycles

SEAT TRACK CORROSION FOUND STA X39.0 TO X70.5 RT SIDE. ACFT DOWN FOR C-CHECK.

Part: SILL — CORRODED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. FWD CARGO DOOR SILL AREA CORROSION FOUND. SILL PLATE NUT PLATES FOUND CORRODED ALSO. CLEANED IAW SRM 51-21-00. ALL RESIDUE REMOVED, NO BLENDING REQUIRED. SURFACE ALODINE TREATMENT IAW SRM 51-21-10-02-01 AND EPOXY PRIMED IAW 51-25-10-02-01. NUT PLATES REPLACED ON NRI 20371.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. FUSELAGE INTERCOSTAL CRACKED AT ARMPIT PANEL FRAME STA X401 RT SIDE. REPAIRED CRACK IAW SRM 53-75-11 1A THROUGH 6F. NDT C/O, NO CRACKS FOUND, ALODINED IAW 51-21-10-02-01 PRIMED IAW 51-25-10-02-01.

Part: BEAM — CRACKED (CARGO BAY) · airframe 25,295 hrs · 26,512 cycles

ACFT DOWN FOR C-CHECK. FWD BAGGAGE COMPARTMENT BEAM STOP NR 2 FOUND CRACKED. REMOVED BAG DOOR AND REPAIRED CRACK IAW RD 8/4-52-679.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 25,295 hrs · 26,512 cycles

ACFT IS DOWN FOR C-CHECK. FUSELAGE INTERCOSTAL CRACKED AT ARMPIT PANEL FRAME STA X401 LT SIDE. REPAIRED CRACK IAW SRM 53-75-111A THROUGH 6F. NDT C/O, NO CRACKS FOUND. ALODINED IAW 51-21-10-02-01, EPOXY PRIMED IAW 51-25-10-02-01.

Part: DITCHING DAM — INOPERATIVE (PAX DOOR) · airframe 24,792 hrs · 26,012 cycles

AIRSTAIR DOOR DITCHING DAM WILL NOT DEPLOY. ADJUSTED F/A CONTROL PANEL FOR CLEARANCE. C/W OPS CHECK OF DITCHING DAM IAW AMM 25-62-01-710-801. CHECKS GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: STARTER GEN — FAILED (APU BAY) · airframe 24,076 hrs · 25,288 cycles

DURING APU START HEARD A GRINDING SOUND AND NOTICED BLACK SMOKE FROM THE APU EXHAUST. CLEARED 3/1 BY REPLACING STARTER/GENERATOR. RETURNED TO SERVICE.

Part: WARNING MESSAGE — ILLUMINATED (NR 2 ENGINE) · airframe 24,040 hrs · 25,254 cycles

"POWERPLANT" MESSAGE ON TAKEOFF/CLIMBOUT. ALL OTHER INDICATION NORMAL. RETURNED TO THE FIELD. LANDED UNEVENTFULLY. COULD NOT SELECT "REDUCED NP" ON LANDING. INTERROGATED CDS, FOUND FAULT CODE 794 ON BOTH CHANNEL A&B NR 2 ENGINE FADEC, COMPLIED WITH FIM TASK 73-20-00-810-850, FAULT CODE CLEARED, ALL ENGINE RUNS CHECKED GOOD. POWERPLANT MESSAGE DID NOT ILLUMINATE. ACFT OK FOR SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 23,949 hrs · 25,166 cycles

PASSENGERS AND F/A SMELLED SMOKE FROM THE READING LIGHT AT SEAT 3E. PASSENGER ALSO HEARD A POPPING NOISE. THE LIGHT WAS TURNED OFF AND THE ODOR WENT AWAY. PERFORMED A GVI OF THE PSU FOR DEFECTS, NONE NOTED. AS A PRECAUTION REPLACED THE 3E PSU IAW AMM TASK 25-28-00-000-801/-400-801. CHECKED GOOD. NO SMOKE OR POPPING NOISES HEARD. RETURNED TO SERVICE.

Part: FLASHLIGHT — NO TEST (ZONE 200) · airframe 23,842 hrs · 25,048 cycles

F/A FWD FLASHLIGHT WILL NOT TEST. REPLACED THE BATTERY PACK IN THE FLASHLIGHT. OPS CHECKS GOOD. RETURNED TO SERVICE.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 23,733 hrs · 24,916 cycles

PDX A7 CHECK. CORROSION FOUND AT THE LOWER AFT CORNER OF THE LAVATORY SERVICE DOOR OPENING. DRILLED OUT RIVETS AND CUT OUT DAMAGE AREA IAW RD 8/4-53-347. PERFORMED HFEC OF REMAINING MATERIAL FOR CRACKS. NO CRACKS NOTED. FABRICATED REPAIR PACKERS AND BACKING PLATE. DRILLED, DEBURRED, ALODINED, PRIMED AND PAINTED WHITE. INSTALLED PACKERS AND BACKING PLATE IAW RD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 23,733 hrs · 24,916 cycles

PDX A7 CHECK. EMERGENCY LIGHT ON PANEL 235BZ (CEILING) IS INOP. INSTALLED NEW POWER SUPPLIES IAW AMM TASK 33-51-01-400-801.

Part: PLATE — MALFUNCTIONED (PROP DE ICE) · airframe 23,675 hrs · 24,859 cycles

PROP DE-ICE CAUTION ILLUMINATED. WHEN RESET, NR 1 SIDE ILLUMINATED, GOT DUAL AC GENERATOR CAUTION LIGHT. AC GENERATORS SUCCESFULLY RESET. R & R NR 1 PROP BACK PLATE ASSY. PERFORMED GVI NR 1 AC GENERATOR, AC CONTACT BOX, NR 1 PROP. C/W OPS TEST OF AC GEN SYST. IAW AMM 24-21-00-710-801. CHECKS GOOD. FUNCTIONAL TEST OF PROP DE-ICE GOOD IAW AMM 30-61-00-720-801. NO FAULT CODES IN CDS AND EPCU. RETURNED TO SERVICE.

Part: SENSOR — FAILED (ZONE 700) · airframe 23,371 hrs · 24,524 cycles

ON ROTATION GOT A WEIGHT ON WHEELS CAUTION LIGHT. RETURNED TO FIELD. THE LIGHT CYCLED SEVERAL TIMES. LANDING UNEVENTFUL. PSEU INDICATED CAPTURED EVENT "LGWOW1 UNREASONABLY NEAR" WITH GEAR EXTENDED IN FLIGHT. R & R NR1 LGWOW PROX SENSOR IAW AMM TASK 32-61-06-000-802/400-802. TEST GOOD. PERFORMED RETRACTION & EXTENSION OF GEAR IAW AMM TASK 32-31-00-867-801. TEST GOOD. WOW CAUTION DID NOT ILLUMINATE NOR CYCLE. RETURNED TO SERVICE.

Part: TRANSDUCER — MALFUNCTIONED (ENGINE OIL PRESS) · airframe 23,312 hrs · 24,458 cycles

GEG- NR1 OIL PRESS FLUCTUATING 71-74 PSI. ALL TEMPS NORMAL. DIVERTED, LANDING UNEVENTFUL NR 1 ENG OIL PRESS TRANSDUCER REPLACED AND OIL PRESS REGULATOR ADJUSTED. GROUND RAN ACFT AT RATING POWER- NO DEFECTS NOTED. OIL PRESS STABLE. RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 23,057 hrs · 24,190 cycles

F/A REPORTED THAT THE LAV SMOKE ALARM SOUNDED AFTER T/O FOR APPROX 15 SEC. NO SMOKE DETECTED AND FIRE EXTINGUISHER IN WASTE BIN DID NOT DISCHARGE. NO FIRE NOTED. DE-BRIEFED FLIGHT CREW, THEY NOTED THAT A "MOTH EXITED THE LAV WHEN DOOR WAS OPENED TO INSPECT LAV FOR SMOKE". INSPECTED LAV SMOKE DETECTOR ASSY FOR VISUAL DEFFECTS AND SECURITY, NO DEFECTS NOTED, DETECTOR SECURE. C/W OPS TEST OF LAV SMOKE DETECTOR IAW AMM TASK 26-12-11-710-801 OPS CHECKS GOOD, NO DEFECTS NOTED. LAV SMOKE DETECTOR OK FOR CONTINUED SERVICE. NOTE: INSPECTED WASTE BIN FIRE EXTINGUISHER, IT DID NOT DISCHARGE. RETURNED TO SERVICE. NO PARTS WERE REPLACED.

Part: OIL COOLER — MALFUNCTIONED (NR 1 ENGINE) · airframe 22,951 hrs · 24,069 cycles

NR1 ENG OIL TEMP RED AT 111'C FOR 10 MIN, FOR 20 MIN, RANGE BETWEEN 109-111'C. GREEN RANGE 90-98'C DURING DECENT. DIVERTED. LANDING UNEVENTFUL. C/W FIM TASK 79-00-00-810-805 TR79-003 & AMM TASK 05-33-00-210-814. R & R NR1 ENG OIL COOLER IAW MM TASKS 79-21-01-000-801 & 79-21-01-400-801 OPS CHECK GOOD OIL TEMP STAYED WITHIN LIMITS. RETURNED TO SERVICE.

Part: DOOR SEAL — DAMAGED (CARGO DOOR) · airframe 22,684 hrs · 23,766 cycles

UNABLE TO PRESSURIZE ACFT IN ALL AUTOMATIC AND MANUAL MODES OF FLIGHT. DIVERTED, LANDING UNEVENTFUL. FOUND LOWER AFT SEAL TORN, RETIGHTENED SCREW FOR AFT SILL PLATE. R & R AFT CARGO DOOR SEAL REF Q400 TASK 52-31-26-000-801 & 53-31-26-400-801. PRESSURIZED REF TASK 21-31-00-720-801. OPS AND LEAK CHECKS GOOD. RETURNED TO SERVICE.

Part: GCU — FAILED (ZONE 400) · airframe 22,183 hrs · 23,199 cycles

"NR 2 AC GEN" CAUTION ILLUMINATED AFTER TAKEOFF. DIVERTED, LANDING UNEVENTFUL. FOUND FAULT 28 "NR 2 AC GCU FAIL" IN EPCU. R & R NR 2 AC GCU IAW AMM 24-21-06-000/400-801. OPS TEST GOOD. FAULT 28 DID NOT RETURN. INSPECTED NR 2 AC GEN CHIP DETECTOR FOR CONTAMINATION IAW AMM 79-34-01-200-801. NO CONTAMINATION FOUND. VISUAL CHECK OF CHIP DETECTOR INDICATIONG SYS IAW AMM 79-34-00-750-801. VISUAL CHECK GOOD. NO FAULT FOUND. RETURNED TO SERVICE.

Part: GENERATOR — FAILED (NR 2) · airframe 22,143 hrs · 23,159 cycles

ON TAKEOFF ROLL NR 2 GEN ILLUMINATED. CONTINUED TAKE-OFF RESET NR 2 AC GEN IAW CHECK LIST. NR 2 AC GEN CAUTION REMAINED ILLUMINATED TURNED OFF NR 2 AC GEN FOR REMAINDER OF FLIGHT IAW CHECK LIST. LANDING UNEVENTFUL. REPLACED NR 2 AC GEN. OPS AND LEAK CHECKS GOOD. RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FALSE ACTIVATION (LAVATORY) · airframe 21,962 hrs · 22,955 cycles

LAV SMOKE DETECTOR WENT OFF FOR ABOUT 3 MINUTES SHORTLY AFTER TAKEOFF. LAV WAS NOT OCCUPIED AND SMOKE WAS NOT PRESENT. REPLACED THE LAV SMOKE DETECTOR IAW AMM 26-12-11-000/400-801, OPS CKS GOOD. RAN ACFT W/ BLEEDS ON, NO DEFECTS NOTED. RETURNED TO SERVICE.

Part: WARNING MESSAGE — ILLUMINATED (ENGINE) · airframe 21,614 hrs · 22,532 cycles

POWERPLANT MESSAGE ON ED, ABORTED T/O BELOW 30 KTS. FOUND FAULT CODES 160, 162 ON NR 2 ENG IAW FIM TASK 61-20-04-810-813 AND 61-20-04-810-804, INSPECTED SLIP RING, DUAL PULSE PROBE, PEC CONNECTORS P20 AND P21. ALL CHECKED GOOD. FAULTS DID NOT CLEAR. R & R NR 2 ENG PEC IAW AMM TASK 61-20-36-000-801 AND 61-20-36-400-801. ALL CHECKED GOOD. HEAT SHRINK APPLIED TO PEC CONNECTORS IAW HORIZON SUP (HS61-0029). RAN ENGINES FOR NR 2 PEC CHANGE IAW MX 6710007. ALL CHECKED GOOD. POWERPLANT MESSAGE NOT ILLUMINATED AND NO FAULTS IN CDS. NO OTHER DEFECTS AT THIS TIME. RETURNED TO SERVICE.

Part: LINKAGE — WORN (MLG) · airframe 21,321 hrs · 22,189 cycles

RIGHT AFTER LEVEL-OFF IN CRUISE FLIGHT THE LT AND RT GEAR UNSAFE AND GEAR HANDLE LIGHTS ILLUMINATED FOR 2 SECONDS AND THEN REMAINED OFF. NORMAL GEAR EXTENTION WITH NORMAL INDICATIONS WAS ACCOMPLISHED FOR LANDING. FERRY. PSEU SHOWS LGDRCL AND RGDRCL NEAR GAP TOO LARGE IN RIGGING HISTORY. INSP AND FOUND LT AND RT MLG AFT DOOR LINKAGES WORN. REPLACED LT AFT DOOR LINKAGE, AND RT AFT DOOR LINKAGE. PERFORMED OPS TEST OF LANDING GEAR PRIMARY EXTENSION AND RETRACTION IAW 32-31-00-710-801, OPS TEST GOOD. RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (ZONE 700) · airframe 21,152 hrs · 21,997 cycles

ON APPROACH GEAR HANDLE ILLUMINATED WITH GEAR SELECTION UP POSITION. INDICATION LASTED UP TO 4 SECONDS THEN EXTINGUISHED. NORMAL GEAR EXTENSION PERFORMED ALL OTHER INDICATIONS NORMAL. REPLACED LMLG UPLOCK PROX SWITCH AS A PRECAUTIONARY MEASURE PER 32-61-06-000-802 AND 32-61-06-400-802. OPS CHECK GOOD NO DEFECTS NOTED . NO FAULTS FOUND IN PSEU. PERFORMED OPS CHECK OF THE ALTERNATE EXTENSION SYSTEM PER TASK 32-34-00-710-802 OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TRIM PANEL — MALFUNCTIONED (AILERON) · airframe 20,658 hrs · 21,435 cycles

BOI - ON TAKEOFF AILERON YOKE INPUT REQUIRED 20 TO 30 DEGREE RIGHT AILERON FOR WINGS LEVEL. FUEL WAS BALANCED AND TRIMS WERE NORMAL. NEUTRAL AILERON YOKE WOULD PUT A/C IN 20 TO 30 DEGREE LEFT BANK AS SPEED INCREASED IN CLIMB AND CRUISE AILERON YOKE ANGLE TO THE RIGHT DECREASED DUE TO A/C SPEED BUT NEUTRAL AILERON ABOUT 5 DEGREE. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. INSPECTED AILERONS SYSTEM FOUND NO OBVIOUS DEFECTS; REPLACED AILERON / RUDDER TRIM CONTROL PANEL PER AMM TASK 27-1316-00-801 AND TASK 27-13-16-400-801, OPS CHECKS NORMAL A/C OKD FOR CONTINUED SERVICE, ALSO VISUALLY VERIFIED. FUEL TO NOT BE AT AN IMBALANCE BY MECHANICAL VISUAL AND ELECTRONIC MEANS.

Part: BRACKET — BROKEN (COWLING) · airframe 20,643 hrs · 21,416 cycles

PDX - MODIFICATION - PANEL 413DR FWD ATTACH ANGLE BRACKET IS BROKEN. REMOVED ANGLE BRACKET, DRILLED NEW BRACKET AND INSTALLED REF Q400 SRM 51-42-05.

Part: SEAL — NOISY (PAX DOOR) · airframe 20,558 hrs · 21,315 cycles

GEG - FLIGHT 2288 (SEA-FCA) RIGHT FORWARD PASSENGER DOOR HAS A LOUD SQUEAL. NO WARNING OR LOSS OF PRESSURE. DIVERTED TO GEG AND MADE A UNEVENTFUL LANDING.

Part: STRUCTURE — DAMAGED (RT WING) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK. RT LOWER WING TRAILING EDGE HAS A BURN HOLE AT APPROX YW 60.900. REMOVED DAMAGE PER R/D 8/4-57-1199 PAGE 2. HFEC PERFORMED AND NO CRACKS NOTED.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK. SUSPECT CORROSION AROUND SHOP HEADS OF MULTIPLE RIVETS IN STRINGER 31 LT AT APPROX STATION X25.00. STRIPPED PAINT AND DRILLED OUT RIVETS. BLENDED CORROSION HFEC SHOWED NO CRACKS. C/W R/D 8/4 53-2789 SHEET 3 GENERAL NOTED 1-8.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK, SURFACE CORROSION ON THE LUG AND INSIDE CHANNEL OF THE NR 16 SEAT TRACK BETWEEN X714.602 AND X715.602. BLEND WAS BEYOND LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-07.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK, LEFT INBOARD SEAT TRACK NR 9 HAS A AREA OF CORROSION AT THE CENTER OF THE TRACK FROM X705 TO X710. BLENDED TRACK, BUT WAS OUT OF LIMITS. REPLACED SEAT TRACK IAW Q400 SRM 51-21-10, 51-40-07.

Part: SKIN — CHAFED (TE FLAP) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK. LT INBOARD FLAP UPPER SKIN CHAFED. REMOVED RIVETS FROM AREA AND BLENDED OUT DAMAGE. DAMAGE AFTER BLENDING WAS BEYOND LIMITS. PERFORMED REPAIR IAW R/D 8/4-57-1194 STEPS 6&7.

Part: SKIN — GOUGED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK, SMALL GOUGE IN SKIN ABOUT 5 INCHES FORWARD OF STATION X196 BETWEEN STRINGER 3P AND 4P. BLENDED OUT DAMAGE AS PER SRM 51-14-00 FIGURE 204. BLENDED DEPTH IS .005 INCH. HFEC CHECK FOR CRACKS, NONE NOTED. BLENDED AREA WITHIN LIMITS. APPLIED ALODINE.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - CORROSION ON O/B INTERCOSTAL AND ATTACH ANGLE UNDER CAPTS RUDDER QUADRANT. STRIPPED PAINT FROM RIVET LINE AND DRILLED OUT 10 RIVETS IAW Q400 SRM 51-26-10-02-01 PARA 1,2,3,4E. REMOVED LIGHT CORROSION AROUND RIVET HOLE IAW Q400 SRM 51-21-00-00-02 STEP 1-4(2A). HFEC IAW -8 Q400 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS IAW -8 400 NDTM PART 1, 51-00-04 HIGH .041 LOW .040. BLENDED AREA FOUND TO BE NEGLIGIBLE AND NOT THROUGH CLAD LAYER, LESS THAN .001 INCH REMOVED. CLEANED, ALODINED AND PRIMED IAW Q400 RD 8/4-53-2344 STEP 4. INSTALLED 10 RIVETS IAW Q400 SRM 51-42-05-02-01. COMPLIED WITH STEPS 5-6 OF RD 8/4-53-2344. APPLIED PRIMER AND EXTERIOR FINISH OVER EXPOSED RIVETS IAW Q400 AMM 51-25-41-370-801 AND SRM 51-25-15-02-01.

Part: FRAME — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 CHECK, SUSPECT CORROSION ON SKIN FRAME LOWER FLANGE BETWEEN THE CAPTAIN'S ELEVATOR TENSION REGULATOR AND THE STICK PUSHER CAPSTAN. REMOVED THE RIVETS AND PAINT AND BLENDED AREA IAW RD 8/4-53-2344 PARAGRAPH 1. HFEC FOR CRACKS, NONE FOUND. BLENDED AREA WITHIN LIMITS. CLEANED ALODINED AND PRIMED AREA.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - SUSPECTED CORROSION ON INTER STRUCTURE NEXT TO RIVET AT STA X32.400 ABOUT 1.5 INCH INBOARD OF STR 31RT. STRIPPED PAINT FROM RIVET LINE AND DRILLED OUT 2 RIVETS IAW Q400 SRM 51-26-10-02-01 PARA 1, 2, 3, 4E. BLENDED OUT CORROSION AROUND 2 RIVETS IAW Q400 SRM 51-21-00-00-02 STEP 1-2. HFEC IAW -8 Q400 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS IAW -8 400 NDTM PART 1, 51-00-04 HIGH .041 LOW .040. COMPLIED WITH STEP 4 OF RD 8/4-53-2344, SRM 51-21-10-02-01 AND Q400 SRM 51-25-10-02-01. INSTALLED 2 RIVETS IAW Q400 SRM 51-42-05-02-01. APPLIED PRIMER AND EXTERIOR FINISH OVER EXPOSED RIVETS IAW Q400 AMM 51-25-41-370-801 AND SRM 51-25-15-02-01.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - STRIPPED PAINT FROM RIVET LINE IAW Q400 SRM 51-26-10-02-01-A01 AND DRILLED OUT 5 RIVETS IAW Q400 SRM 51-42-05-02-01 PARA 1-4E. BLENDED CORROSION IAW Q400 RD8/4-53-2344 PARA 1. BLENDED CORROSION ON SKIN FRAME LWR FLANGE BETWEEN CAPT'S ELEV TENSION REG AND STICK PUSHER IAW Q400 RD 8/4-53-2344 GEN NOTES 1-2. UT THICKNESS CHECKED BLENDED AREA IAW Q400 NDTM PART 1 51-00-04 HI .041 LOW .039. PERFORMED HFEC OF BLENDED AREA FOR CRACKS IAW Q400 NDTM PART 6, 51-00-01. NO CRACKS NOTED. BLEND FOUND TO BE WITHIN LIMITS IAW Q400 RD 8/4-53-2344 PARA 1. CLEANED, ALODINED AND PRIMED BLENDED AREAS IAW Q400 RD 8/4-53-2344 STEP 4. INSTALLED 5 RIVETS PREVIOUSLY REMOVED IAW Q400 SRM 51-42-05-02-01. COMPLIED WITH STEPS 5 & 6 OF RD 8/4-53-2344, APPLIED PRIMER AND EXTERIOR FINISH OVER EXPOSED RIVET ROW IAW AMM 51-25-41-370-801 AND SRM TASK 51-25-15-02-01.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - SUSPECT CORROSION ON SKIN FLANGE O/B INTERCOSTAL FOR CAPT'S ELEVATOR TENSION REGULATOR. STRIPPED PAINT FROM RIVET LINE AND DRILLED OUT 9 RIVETS IAW Q400 SRM 51-26-10-02-01 PARA 1, 2, 3, 4E. BLENDED CORROSION IAW Q400 RD 8/4-53-2344 STEP 1. HFEC IAW -8 Q400 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS IAW -8 400 NDTM PART 1, 51 HIGH .040 LOW .038. BLENDED AREA FOUND TO BE WITHIN LIMITS PER RD 8/4-53-2344 NOTE 1. CLEANED ALODINED AND PRIMED IAW Q400 RD 8/4-53-2344 STEP 4. INSTALLED 9 RIVETS IAW Q400 SRM 51-42-05-02-01. COMPLIED WITH STEPS 5-6 OF RD 8/4-53-22344. APPLIED PRIMER AND EXTERIOR FINISH OVER EXPOSED RIVETS IAW Q400 AMM 51-25-41-370-801 AND SRM 51-25-15-02-01.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THE UNDERSIDE OF THE AFT PIT LOWER DECK SKIN IS CORRODED AROUND TWO ADJACENT NUT PLATE AT STA X783.102, Y19.75L AND 21.25L. REMOVED LIGHT SURFACE CORROSION FROM AROUND 2 EACH NUT PLATES. NO METAL LOSS. REF CPC MANUAL PART 1 CHAP 4 PG 4-21 PARA D. MECHANICAL REMOVAL, OK TO TREAT AND PRIME. TREATED, ALODINED AND PRIME ALL BARE METAL. REF Q400 SRM 51-21-10 AND 51-25-10 PG 201-204.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THERE IS CORROSION AROUND FOUR RIVETS IN THE AFT PIT LOWER DECK SKIN AT APPROX X731 Y28.25L. REMOVED 4 RIVETS IAW Q400 SRM 51-42-05 PARA 4. REMOVED CORROSION IAW Q400 CPC MANUAL CHAP 4 PG 4-21 PARA D. MAX MATERIAL LOSS WAS .005 INCH ORIGINAL THICKNESS .050 INCH WITHIN LIMITS OF Q400 SRM 51-14-00. HFEC INSPECTION OF BLENDED AREAS FOR CRACK. REF Q400 NDTM PART 6, 51-00-01 NO CRACKS NOTED. ALODINED AREA REF Q400 SRM CHAP 51-21-10-02-01, INSTALLED 4 RIVETS REMOVED IAW Q400 SRM 51-42-05. PRIMED ALL BARE METAL AND 51-25-10 PG 201-204.

Part: FRAME — CHAFED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - INSIDE AFT CARGO PIT LT SIDE INBD FRAME X783.102, THE FLOOR JOINT FITTING ON THE FWD SIDE OF X783.102 HAS A LATERAL CHAFE FROM THE FLOORBOARD. BLENDED CHAFE SMOOTH IN RADIUS AS PER Q400 SRM 51-14-00. MAX MATERIAL LOSS .003. HFEC INSPECTION OF EFFECTED AREA NO DEFECTS NOTED REF 51-00-01 OF 1-84-7A. TREATED ALODINED AND PRIMED ALL BARE METAL REF Q400 SRM 51-21-10 PG 201-204, 51-25-10 PG 201-204.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THERE IS CORROSION AROUND SEVERAL NUT PLATES IN THE AFT PIT LOWER DECK SKIN BELOW PNL 144JZ. CLEANED LIGHT SURFACE CORROSION FROM NUT PLATES. NO METAL WAS REMOVED. REMOVED 1 MODERATELY CORRODED NUT PLATE BY DRILLING OUT THE RIVETS AND REPLACING WITH NEW FROM STOCK REF Q400 SRM 54-42-05. TREATED, ALODINED AND PRIMED ALL BARE METAL REF Q400 SRM CHAP 51-21-10, 51-25-10 PG 201-204.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THERE IS CORROSION AROUND A NUT PLATE HOLE IN THE AFT PIT LOWER DECK SKIN AT APPROX X755.602, Y19.75L. REMOVED 2 RIVETS IAW Q400 SRM 51-42-05 PARA 4E. REMOVED CORROSION IAW Q400 CPC MANUAL CHAP 4 PG 4-21 PARA D(2). HFEC INSPECTION OF BLENDED AREAS FOR CRACK. REF Q400 NDTM PART 6, 51-00-01 NO CRACKS NOTED. UT THICKNESS CHECKED AT BLENDED AREA IAW DASH 8 Q400 NDTM PART 1, 51-00-04 AND FOUND LO READING .045. MAX MATERIAL REMOVED .005 INCH ORIGINAL THICKNESS .050 INCH WITHIN LIMITS OF Q400 SRM 51-114-00-02-03. INSTALLED 2 RIVETS IAW Q400 SRM 51-42-05. ALODINED AREA REF Q400 SRM CHAP 51-21-10-02-01, PRIMED ALL BARE METAL AND 51-25-10 PG 201-204.

Part: CARGO TRACK — CORRODED (CARGO BAY) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THE CENTER EQUIPMENT TRACK IN THE AFT BAG PIT STA X728.1 JUST AFT OF CLAWS HAS SEVERAL AREA OF CORROSION. BLENDED AREAS OF CORROSION IAW Q400 RD 8/4-53-884 STEPS 1 AND 3 PG 6 MAX MATERIAL REMOVED .008 INCH WITHIN LIMITS OF RD 8/4-53-884. HFEC AT BLENDED AREA IAW DASH 8 Q400 NDTM PT 6, 51-00-01, NO CRACKS NOTED. ALODINE IAW RD 8/4-53-884 STEP 4, 5 AND 6. PRIMED IAW RD 8/4-53-884 STEP 7, PAINTED IAW RD 8/4-53-884 STEP 8.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - LIGHT SURFACE CORROSION IN SEVERAL AREA OF SUPPORT ANGLE IN THE AFT CARGO PIT X783.102 AND BETWEEN Y9.25L AND Y28.25L. REMOVED SURFACE CORROSION AT SUPPORT ANGLE AS PER MECHANICAL METHOD OF CPC MANUAL CHAP 4 PG 4-21 PARA D. MAX MATERIAL LOSS WAS .002. HFEC INSPECTION OF EFFECTED AREAS. NO DEFECTS NOTED REF 1-84-7A NDT PART 6, 51-00-01. UT THICKNESS IAW -8 Q400 NDTM PT 1, 51-00-04 HI .065 LO .063. TREATED, ALODINED AND PRIMED ALL BARE METAL REF Q400 SRM CHAP 51-21-10 AND 51-25-10 PG 201-204.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THE LT INBOARD SEAT TRACK NR 7 HAS APPROX 20 INCH AREA OF LIGHT CORROSION ON THE INBOARD FLANGE FROM APPROX STA X428.5 TO X448.5. REMOVED CORROSION FROM AFFECTED AREA BY BLENDING IAW RD8/4-53-884 PAGE 6, GENERAL NOTES 1, 3, 5. MINIMUM REMAINING THICKNESS OF SEAT TRACK FLANGE IN AREA OF BLEND IS .078 INCH BLEND IS WITHIN LIMITS PER RD8/4-53-884. ALODINED BLENDED SURFACES IAW RD8/4-53-884, PAGE 6 GENERAL NOTES NR 6. PERFORMED HFEC INSPECTION OF BLEND IAW 1-84-7A, PT 6, 51-00-02, NO CRACKS NOTED. EPOXY PRIMED AND TOP COATED BLENDED AREA IAW RD 8/4-53-884, PAGE 6, GEN NOTES 7, 8.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THE LT INBOARD SEAT TRACK NR 7 AT STA X375 HAS APPROX 4 INCHES OF CORROSION ON THE INBOARD FLANGE. REMOVED CORROSION FROM AFFECTED AREA BY BLENDING IAW RD8/4-53-884 PAGE 6, GENERAL NOTES 1, 3, 5. MINIMUM REMAINING THICKNESS OF SEAT TRACK FLANGE IN AREA OF BLEND IS .082 INCH BLEND IS WITHIN LIMITS PER RD8/4-53-884. ALODINED BLENDED SURFACES IAW RD8/4-53-884, PAGE 6 GENERAL NOTES NR 6. PERFORMED HFEC INSPECTION OF BLEND IAW 1-84-7A, PT 6, 51-00-02, NO CRACKS NOTED. EPOXY PRIMED AND TOP COATED BLENDED AREA IAW RD 8/4-53-884, PAGE 6, GEN NOTES 7, 8.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - NR 1 SEAT TRACK HAS GOUGES IN TWO LOCATION AT APPROX STA X100 AND STA X130. REMOVED GOUGE FROM SEAT TRACK AT STA X100 BY BLENDING IAW RD 8/4-53-884 PG 6 GEN NOTES 1, 3, 5. MAX DEPTH OF BLEND ON TOP OF CLAWED PORTION OF TRACK IS .007 INCH MAX DEPTH OF BLEND IN TRACK CHANNEL IS .012 INCH. BLEND IS WITHIN LIMITS PER RD 8/4-53-884. REMOVED GOUGE FROM SEAT TRACK AT STA X130 BY BLENDING IAW RD 8/4-53-884 PG 6 GEN NOTES 1, 3, 5. MAX DEPTH OF BLEND ON TOP OF CLAWED PORTION OF TRACK IS .009 INCH MAX DEPTH OF BLEND IN TRACK CHANNEL IS .009 INCH. BLEND IS WITHIN LIMITS PER RD 8/4-53-884. ALODINED BLENDED AREA IAW R/D 8/4-53-884 PG 6, GEN NOTES 6. PERFORMED HFEC INSP OF BLEND IAW 41-84-7A, PT 6, 51-00-02, NO CRACKS NOTED.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - THE LT INBOARD SEAT TRACK NR 8 HAS APPROX 3 INCH AREA OF CORROSION ON CTR OF TRACK AT STA X615 TO X618. REMOVED CORROSION FROM AFFECTED AREA BY BLENDING IAW RD8/4-53-884 PAGE 6, GENERAL NOTES 1, 3, 5. MAX DEPTH OF BLEND INSIDE TRACK CHANNEL IS .033 INCH BLEND IS WITHIN LIMITS PER RD8/4-53-884. ALODINED BLENDED SURFACES IAW RD8/4-53-884, PAGE 6 GENERAL NOTES NR 6. PERFORMED HFEC INSPECTION OF BLEND IAW 1-84-7A, PT 6, 51-00-02, NO CRACKS NOTED.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 20,377 hrs · 21,104 cycles

PDX - C5 - IMPACT DAMAGE ON RT INBOARD NR 16 SEAT TRACK LUG BETWEEN STA X714.602 AND X715.602. REMOVED DAMAGE BY BLENDING IAW RD8/4-53-884 PG 6 GEN NOTES 1, 3, 5. FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEW SEAT TRACK REF Q400 SRM 51-40-07-02-01, 51-40-15 AND 51-42-05.

Part: CONTROL PANEL — MALFUNCTIONED (LANDING GEAR) · airframe 20,264 hrs · 20,983 cycles

SEA - LEFT GEAR UNSAFE LIGHT ILLUMINATED ON GEAR RETRACTION AND STAYED ON THROUGH FLIGHT AND LANDING. REMOVED AND REPLACED GEAR CONTROL AND INDICATING PANEL IAW TASK NR'S 32-31-01-000-801 AND 32-31-01-400-801. PERFORMED FUNCTIONAL TEST OF LGCP IAW AMM TASK 32-31-01-720-801. FUNCTIONAL TEST PASSED. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: SEAL — DIRTY (PAX DOOR) · airframe 20,232 hrs · 20,937 cycles

SEA - F/A REPORTS REAR PAX DOOR VERY DIFFICULT TO OPERATE. INSPECTED AFT PAX DOOR AND DOOR SEAL. CLEANED DEBRIS OFF OF SEAL AND CLEANED AROUND AIRFRAME. OPS CHECKED DOOR OPEN AND CLOSED SEVERAL TIMES. DOOR OPENS AND CLOSES EASILY AND SMOOTHLY. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: DOOR — STUCK (MLG) · airframe 20,199 hrs · 20,900 cycles

PDX - FLOOR ALT GEAR DOOR WON'T FULLY OPEN. CLEANED AND LUBED OPS CHECKS GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: VALVE — MALFUNCTIONED · airframe 20,172 hrs · 20,873 cycles

SEA - AFTER TAKEOFF AND DURING INITIAL CLIMB, NR 2 ITT IN RED AT 865 WITH NR 2 FUEL FLOW APPROX 200 LBS/HR HIGHER THAN NR 1. REDUCED POWER AFTER 20 SEC INTO GREEN. NTOP TO 1 MINUTE AFTER CRUISE POWER SET, NR 2 ITT AND FUEL FLOW "JUMPED BACK TO NORMAL". INTERROGATED CDS, FOUND MAX TEMP RECORDED ON NR 2 ITT 868 FOR 36 SECONDS. PER Q400 AMM TASK 05-11-00-992-802, NR 2 ITT DID NOT EXCEED MAX TEMP. NO FURTHER MAINTENANCE REQUIRED. REPLACED THE NR 2 P2. BLEED VALVE AND THE P2.7 BLEED OFF VALVE FOR TROUBLESHOOTING. RETURNED TO SERVICE.

Part: FADEC — MALFUNCTIONED (NR 2) · airframe 20,167 hrs · 20,868 cycles

SEA - APPROXIMATELY 2 MINUTES AFTER TAKEOFF NR 2 ENGINE TORQUE SPIKED INTO YELLOW AND THEN BACK TO NORM. HAPPENED TWICE. NO FAULT CODES LOGGED IN CDS PERFORMED EMU DOWNLOAD IAW AMM TASK 77-31-01-470-801. PER TECH SERVICES REMOVED AND REPLACED NR 2 FADEC IAW AMM TASK 73-21-01-000-801 AND 73-21-01-400-801. PERFORMED PCU INSTALLATION RUNS IAW TC 6710008 PERFORMED POWER ASSURANCE CHECK IAW MTC 6710005 ALL CHECKS GOOD. NR 2 FADEC REPLACED AS A PRECAUTIONARY MEASURE. RETURNED TO SERVICE.

Part: BLOWOUT PANEL — UNSECURE · airframe 20,052 hrs · 20,734 cycles

BOI - CLIMBING OUT OF BOI AT ABOUT 12,000 THERE WAS A CABIN PRESSURE WARNING. RAN CHECKLIST TO TRY TO CONTROL PRESSURE AND WERE UNABLE TO PRESSURIZE CABIN. RETURNED TO FIELD, LANDING UNEVENTFUL. UPON INSPECTION OF A/C FOUND CB B7 AND C7 OPEN AND AFT CARGO PIT BLOW-OUT PANEL NOT FULLY SECURED. RESECURED BLOW-OUT PANEL AND RESET C/B'S. INTERROGATED CDS WITH NO FAULTS. PERFORMED PRESSURIZATION OF A/C IAW TASK 21-31-00-720-801. A/C PRESSURIZED NORMALLY. INTERROGATED CDS AGAIN WITH NO FAULTS FOUND. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: APU — SMOKE · airframe 19,989 hrs · 20,656 cycles

YVR - UPON APU START THE FIRE DETECT IN LAV SET OFF. PLACED THE APU ON MEL 49-00-1. RETURNED THE AIRCRAFT TO SERVICE.

Part: UNKNOWN — FUMES (CABIN) · airframe 19,986 hrs · 20,652 cycles

PDX - HAZE IN THE CABIN PARKED AT GATE. UPON MTX ARRIVAL FOUND NO HAZING IN CABIN. HAD AIRCREW RESTART APU, RAN BLEED AIR FULL HOT FULL COLD, NO HAZING NOTED AT THIS TIME. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CLAMP — FAILED (GENERATOR) · airframe 19,978 hrs · 20,638 cycles

PDX - AFTER PARKING, STARTED APU. IT MADE A GROWLING NOISE DURING START. GEN WOULD NOT COME ON. SHUT APU DOWN. INSPECTED APU AND FOUND STARTER/GENERATOR HANGING DUE TO START/GEN CLAMP FAILURE. FOUND APU B+ PWR FEED CABLE TERMINAL END BROKEN. FAB AND INSTALLED OF NEW B+ PWR FEED CABLE. REMOVED AND REPLACED APU START/GEN PER 24-33-01-000-801, AND 24-33-01-400-801. INSTALLED SERVICABLE APU START/GEN CLAMP. C/W OPERATIONAL TEST OF THE APU 28V DC GENERATION SYSTEM 24-33-00-710-801. CHECKS GOOD. NO DEFECTS NOTED. RETURNED TO SERVICE.

Part: GATE — MALFUNCTIONED (PAX DOOR) · airframe 19,674 hrs · 20,271 cycles

RNO - AFT REAR PASSENGER DOOR OUTSIDE FLAPPER PUSH DOOR IS NOT FLUSH WITH DOOR, OCCASIONALLY PREVENTING THE DOOR FROM OPENING FROM THE INSIDE. AIRCRAFT FERRIED TO PDX FOR REPAIRS. REMOVED AND REPLACED EXTERNAL AFT COVER FLAP AND SPRING ON L2 CABIN DOOR HANDLE. INSTALLED FASTENERS IAW Q400 SRM 51-40-15. PRESSURIZED AIRCRAFT, NO LEAKS NOTED. RETURNED TO SERVICE.

Part: WIRE HARNESS — BROKEN (PROP DE ICE) · airframe 19,630 hrs · 20,224 cycles

SEA - PROP DE-ICE CAUTION LT APPEARED INTERMITTENTLY FROM NR 1 PROP. FOUND PROP DEICE HARNESS ON BLADE NR 6 ON NR 1 PROP BROKEN. REMOVED AND REPLACED PROP DEICE HARNESS IAW AMM TASKS 61-10-06-000-805 AND 61-10-06-400-805. OPS CHECK GOOD. FAULTS DID NOT RETURN. ACFT OK FOR SERVICE.

Part: SEAL — FAILED (CARGO DOOR) · airframe 19,148 hrs · 19,671 cycles

BOI - CABIN RATE WENT FROM 500 FPM TO 3000 FPM WHILE CLIMBING THRU 13,000 SELECTED MANUAL INCR RATE WENT TO 3000 FPM DOWN FOR A FEW SECONDS THEN BACK TO 3000 FPM CLIMB KEPT OSCILLATING UP AND DOWN THEN WENT BACK TO AUTO AND SYSTEM STABILIZED. RETURNED TO BOI FOR MTX. REMOVED AND REPLACED CARGO DOOR SEAL IAW AMM 52-31-26-001-400-801. NO FURTHER DEFECTS NOTED CHECKS GOOD. RETURNED TO SERVICE.

Part: HYDRAULIC LINE — LEAKING (NLG) · airframe 18,839 hrs · 19,317 cycles

PDX - DURING FLIGHT FROM SEA-RNO THERE WAS A HYDRAULIC LEAK OF NR 2 MAIN SYSTEM. OVER RDM QUANTITY REACHED 30 PERCENT. DIVERTED TO PDX AND ACCOMPLISHED A UNEVENTFUL LANDING. FOUND NR 2 HYD SYSTEM READING LOW (2 QUARTS). FOUND HYD FLUID LEAKING FROM RT FLEX LINE THAT ATTACHES TO NLG LOCK ACTUATOR. REMOVED AND REPLACED RT FLEX LINE. REF Q400 AMM TASK 20-20-11-400-801. BLEED RT FLEX LINE. CYCLED GEAR, NO LEAKS NOTED. SERVICED NR 2 HYD SYSTEM TO CORRECT LEVEL. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: SENSOR — OUT OF RIG (LANDING GEAR) · airframe 18,550 hrs · 19,008 cycles

LAS - IN CRUISE AND DESCENT LEFT AND RIGHT MAIN GEAR DOORS OPENED. HEARD AND FELT THUMP AS WELL AS LT & RT GEAR UNSAFE LIGHTS. AIRSPEED WAS 255K USED ALT GEAR EXTENSION TO LOWER GEAR. UNEVENTFUL LANDING. TOWED AIRCRAFT FROM THE RUNWAY. FERRY TO PDX FOR REPAIR. FOUND FAULT LGDRCL RIGGING GAP TOO LARGE. RIGGED SENSOR S17. CLEARED FAULT HISTORY. PERFORMED OPERATIONAL CHECK FLIGHT WITH NO DEFECTS. EXTENSION RETRACTION CHECK OF GEAR GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: LAMP — INOPERATIVE (MLG INDICATOR) · airframe 17,730 hrs · 18,093 cycles

GEG - FLIGHT 2392 - RIGHT MAIN GEAR DID NOT INDICATE DOWN. ALTERNATE INDICATION SHOWED 3 GREEN LIGHTS. CFR CALLED AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NO PSEU FAULTS. FOUND THE RIGHT GEAR DOWN LAMPS INOP. REPLACED LAMPS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: MECHANISM — FAILED (MLG DOOR) · airframe 17,105 hrs · 17,424 cycles

LAX - BOTH MAIN LANDING GEAR DOORS CYCLED DURING CLIMB AND THEN APPROXIMATELY EVERY 6 MINUTES, PLUS MLG RED CAUTION LIGHT ILLUMINATED. FERRIED AIRCRAFT TO PDX FOR MAINTENANCE. PDX MAINTENANCE REMOVED AND REPLACED LEFT MAIN LANDING GEAR AFT DOOR MECHANISM, EXTENSION AND RETRACTION OPS CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE.

Part: FIRE BOTTLE — MALFUNCTIONED (CARGO BAY) · airframe 16,880 hrs · 17,179 cycles

SEA - FLIGHT 2264 - FORWARD BAGGAGE COMPARTMENT FIRE TEST BOTTLE WOULD NOT ARM. MAINTENANCE PLACED ON MEL 26-20-4B. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 16,855 hrs · 17,154 cycles

LAX - FLIGHT 2421 - RIGHT TRU HOT CAUTION ILLUMINATED. RAN CHECKLIST AND PULLED CIRCUIT BREAKER. LIGHT WENT OUT AFTER ABOUT 5 MINUTES. MAINTENANCE PERFORMED A OPERATIONAL CHECK WITH NO DEFECTS NOTED. COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: WARNING LIGHT — ILLUMINATED (NR 1 DC GEN) · airframe 16,822 hrs · 17,124 cycles

MSO - FLIGHT 2397 - NR 1 DC GENERATOR CAUTION LIGHT ILLUMINATED. RESET GENERATOR PER THE CHECKLIST, BUT THE LIGHT REMAINED LIT. MAINTENANCE PLACED SYSTEM ON MEL 24-30-6. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — MALFUNCTIONED (NR 1) · airframe 16,724 hrs · 17,024 cycles

SEA/EUG FLIGHT NR 2333: NR 1 AC GEN CAUTION LIGHT CAME ON IN FLIGHT. COMPLIED WITH CHECKLIST, DID NOT RESET. FLIGHT DIVERTED TO PDX. MAINTENANCE REMOVED AND REPLACED NR 1 AC GEN IAW Q400 TASK CARD NR 6242101. PERFORMED LEAK CHECK. NO LEAKS NOTED. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — CHAFED (FUEL SYSTEM) · airframe 16,651 hrs · 16,950 cycles

SEA - ON FLIGHT 2490, ON TAXI OUT NR 1 FUEL AUX PUMP CIRCUIT BREAKER TRIPPED. MAINTENANCE FOUND WIRES CHAFED. REPAIRED WIRES AND NR 1 AND NR 2 AUX PUMP. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: WIRE HARNESS — DAMAGED (PROP DEICE) · airframe 16,434 hrs · 16,731 cycles

SEA FLIGHT NR 2486: THE CAPTAIN'S SIDE PROP DEICE WAS CAUSING THE PROP DEICE CAUTION LIGHT TO ILLUMINATE. AIRCRAFT RETURNED TO FIELD. MAINTENANCE REMOVED AND REPLACED NR 6 PROP DEICE WIRE HARNESS IAW Q400 AMM 61-10-06-400-805. PERFORMED FUNCTIONAL TEST OF PROP DEICE SYSTEM IAW Q400 AMM 30-61-00-720-801. OPS CHECK GOOD WITH NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 16,285 hrs · 16,573 cycles

SEA - ON FLIGHT 2395, DEICE PRESSURE ILLUMINATED IN FLIGHT. RAN CHECKLIST NR 1 OUTERMOST BOOT FAILS TO ILLUMINATE. MAINTENANCE COMPLIED WITH FUNCTIONAL TEST OF THE A/F PNEUMATIC DEICE SYSTEM THRU 20 CYCLES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: AUTOFEATHER SYS — MALFUNCTIONED (PROPELLER) · airframe 16,277 hrs · 16,563 cycles

SEA - ON FLIGHT 2484, RETURNED TO GATE. AUTOFEATHER SELECT DID NOT ILLUMINATE ON ED. SWITCH LIGHT SELECT ILLUMINATED. MAINTENANCE INTERROGATED CDS FOR AUTOFEATHER FAULTS AND FOUND 494A AND 494B ON BOTH NR 1 AND 2 PEC'S. CLEARED FAULTS BY COMPLYING WITH OPERATIONAL TEST OF THE PROP AUTOFEATHER AND UP TRIM SYSTEM. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: UNKNOWN — UNKNOWN (PITCH TRIM) · airframe 16,106 hrs · 16,404 cycles

SEA FLIGHT NR 2328: PITCH TRIM CAUTION ON TAXI OUT. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE INTERROGATED CDS AND FOUND 'FCECU FAILURE 7C AND 67'. CLEARED FAULTS IAW Q400 FIM TASK 27-30-00-810-803. C/W OPS CHECK OF ELEVATOR PITCH TRIM SYSTEM IAW Q400 AMM TASK 27-32-00-710-802. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (TE FLAPS) · airframe 16,107 hrs · 16,405 cycles

SEA FLIGHT NR 2328: FLAP POWER CAUTION LIGHT ON TAXI. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE CLEARED FLAP POWER CAUTION LIGHT IAW SERVICE LETTER DH8-400-SL-27-002A AND C/W OPS CHECK OF FLAPS IAW Q400 AMM TASK 27-50-00-710-801. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: TMU — MALFUNCTIONED (DEICE SYSTEM) · airframe 15,958 hrs · 16,248 cycles

SEA FLIGHT NR 2271: PITOT HEAT STBY, DEICE TIMER, DEICE PRESSURE ILLUMINATED AFTER PUSH AND PROPS AT MAX. ALL BUSSES POWERED NORMALLY. DEICE PRESS 18 PSI. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE REMOVED AND REPLACED TIMER AND MONITOR UNIT IAW Q400 AMM 30-11-01, PAGE 401-406. NO REOCCURRENCE OF ABOVE MENTIONED CAUTION LIGHTS. AIRCRAFT RETURNED TO SERVICE.

Part: TRANSDUCER — MALFUNCTIONED · airframe 15,806 hrs · 16,103 cycles

SEA FLIGHT NR 2397: OP FAIL STATUS MESSAGE. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 1 IOP. OPS CHECK GOOD IAW MTC 6314101. AIRCRAFT UPGRADED TO CAT III. COCKPIT PLACARD REFLECTS SAME AND MTX CONTROL WAS NOTIFIED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (PITCH TRIM) · airframe 15,804 hrs · 16,101 cycles

SEA FLIGHT NR 2289: PITCH TRIM CAUTION. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE C/W FIM TASK 27-30-00-810-803. PITCH TRIM CAUTION LIGHT EXTINGUISHED. CHECKED CDS. NO FAULTS PRESENT. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (GALLEY) · airframe 15,760 hrs · 16,061 cycles

PDX FLIGHT NR 2416: FA REPORTS ELECTRICAL SMELL IN GALLEY AREA. MAINTENANCE PERFORMED A GVI OF THE AFT GALLEY, MAPCOS AND FA CONTROL PANELS. NO DEFECTS WERE NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BOOT — DAMAGED (DE ICE SYSTEM) · airframe 15,711 hrs · 16,014 cycles

SJC - ON FLIGHT 2453, AFTER SELECTING BOOT DE-ICE TO SLOW, RECEIVED A DE-ICE PRESSURE CAUTION LIGHT. AFTER RUNNING CHECKLIST AND RE-SELECTING BOOTS ON, CAUTION LIGHT REAPPEARED AND ONE LIGHT ON OUTBOARD LEADING EDGE ON RIGHT SIDE DID NOT LIGHT ON FIRST CYCLE, BUT DID ON THE SECOND CYCLE. MAINTENANCE INSTALLED PATCH ON BOOT. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: WIRE HARNESS — DAMAGED (NLG) · airframe 15,573 hrs · 15,873 cycles

SEA FLIGHT NR 2396: TURNING ONTO THE RUNWAY, NWS FAIL, WEIGHT ON WHEELS AND IAS FAIL MESSAGES. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED NLG ELECTRICAL HARNESS NR 1 IAW AMM 32-11, TR NR 32-202. INSTALLED SERVICEABLE NLG ELECTRICAL HARNESS NR 1 IAW AMM 32-21-11, TR NR 32-203. NO IAS FAIL MESSAGE. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — MALFUNCTIONED (NR 2) · airframe 15,488 hrs · 15,795 cycles

BIL FLIGHT NR 2417: NR 2 DC GENERATOR WILL NOT RESET. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED NR 2 STARTER GENERATOR AND INSTALLED NEW STARTER GENERATOR IAW AMM 24-31-01-000-801 AND 24-31-01-400-801. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FRAME — CHAFED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - FUSE CIRCUMFERENTIAL FRAME HAS CHAFE DAMAGE AT STATION X1.000 AT Z100.032 UNDER MAIN CABIN DOOR APERTURE LOWER FORWARD CORNER CASTING. REPAIRED IAW SRM 53-20-15 AND RD8/4-53-1928.

Part: RIB — DAMAGED (RT WING) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - RIGHT WING COVE RIB UNDER INBOARD SPOILER HAS MISDRILLED RIVET HOLE ON BOTTOM FLANGE AT WS YW 285. REPAIRED IAW RD8/4-57-811 AD SRM 51-42-05.

Part: WEB — DAMAGED (RT WING TE FLAP) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - RIGHT WING FLAP SHROUD WEB HAS DAMAGE ON LIGHTENING HOLE APPEAR TO BE FROM SPOILER ACTUATOR LINK. TOGGLE AT STATION YW 317.019. REPAIRED IAW RD8/4-57-158.

Part: SKIN — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - FUSELAGE SKIN DOUBLER FOR THE VHF 3 ANTENNA IS CORRODED. REPAIRED IAW SRM 51-14-00 AND RD8/4-53-1931.

Part: DOOR — CHAFED (CARGO BAY) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - FORWARD CARGO DOOR CHAFED ON AFT UPPER TOP OF APERTURE. REPAIRED IAW RD8/4-53-505.

Part: SKIN — CHAFED (TE FLAP) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - THE LEFT INBOARD FLAP UPPER SURFACE HAS CHAFE INTO THE SKIN 6" FROM THE INBOARD END. REPAIRED IAW SRM 57-51-30, RD8/4-57-807.

Part: SKIN — CHAFED (TE FLAP) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - THE LEFT OUTBOARD FLAP UPPER SURFACE IS CHAFED ABOUT 2" FROM THE INBOARD END. REPAIRED IAW SRM 57-52-30, RD8/4-57-809.

Part: CARGO TRACK — CORRODED (CARGO BAY) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - AT X781 Z100 Y9L, THE TRACK HOLD DOWN CLEAT IS CORRODED. REPAIRED IAW RD8/4-53-884, AND SRM 51-40-07, 51-42-05.

Part: DIAPHRAGM — CRACKED (NR 1 NACELLE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - NR 1 ENGINE NACELLE DIAPHRAGM CRACKED. REPAIRED IAW SRM 51-42-05, 51-40-10.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - AT X781 Z100 Y9R, THE TRACK HOLD DOWN CLEAT IS CORRODED. REPAIRED IAW RD8/4-53-884, SRM 51-40-15 AND 51-42-05.

Part: DIAPHRAGM — DAMAGED (NR 1 NACELLE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - THE NR 1 NACELLE HAS SMOKING FASTENERS ON THE OUTBOARD AFT DIAPHRAGM. REPAIRED IAW RD8/4-54-154, EO 6-54-441, AND SRM 51-42-05.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - CORROSION ON LOWER SURFACEOF CARGO BAY FLOOR WEB BELOW NR 9 SEAT TRACK OUTBOARD FLANGE BETWEEN X728.102 AND X747.602. REPAIRED IAW SRM 51-21-00, 51-14-36, AND 51-25-45.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - THERE IS CORROSION ON THE RIGHT INBOARD SEAT TRACK INSIDE THE FLANGE AND ON THE FLANGE FROM X2 TO X6.5. REPAIRED IAW RD8/4-53-884 AND SRM 51-40-10.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - THERE IS CORROSION ON THE RIGHT INBOARD SEAT TRACK FROM X13.5 TO X49 TRACK 11. REPAIRED IAW RD8/4-53-884, AND SRM 51-42-05.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,378 hrs · 15,699 cycles

C4 PDX - SEAT TRACK WEB IS CORRODED AROUND SCREW HOLE AT STATION X 1.03 OUTBOARD OF LEFT INBOARD SEAT TRACKS. REPAIRED IAW SRM 51-21-00.

Part: AHRS — MALFUNCTIONED (NR 2) · airframe 15,138 hrs · 15,448 cycles

FLIGHT NR 2359: ELEVATOR FEEL CAUTION LIGHT. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 2 AHRS COMPUTER IAW MTC 6342101. OPS TEST GOOD. AIRCRAFT REMAINS CAT III. PLACARD READS CAT III. MTX CONTROL HAS BEEN NOTIFIED. AIRCRAFT RETURNED TO SERVICE

Part: AHRS — OUT OF ALIGNMENT (NR 1) · airframe 15,119 hrs · 15,428 cycles

LAX FLIGHT NR 2420: AFTER PUSH BACK, ELEVATOR FEEL CAUTION ILLUMINATED AND FO'S PFD AND 'ATT FAIL', 'HDG FAIL' AND 'IHSI FAIL' MESSAGES. AIRCRAFT RETURNED TO GATE. MAINTENANCE REALIGNED NR 1 AND NR 2 AHRS. NO MESSAGES DISPLAYED ON NR 1 OR NR 2 PFD. NO ASSOCIATED CAUTION OR WARNING MESSAGES. INSPECTED NOSE GEAR AND TO BAR LUGS. NO DISCREPANCIES FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: AHRS — MALFUNCTIONED · airframe 15,103 hrs · 15,410 cycles

GEG FLIGHT NR 2350, ON CLIMB 17-18000, GOT AUTO PILOT DISCONNECT, ELEVATOR FEEL CAUTION, NR 2 DHG FAIL, NR 2 ATT FAIL, YD FAIL AND AHARS 2 FAIL MESSAGE ON FMS. MAINTENANCE REMOVED AND REPLACED NR 2 AHRS IAW MTC 6342101. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE HARNESS — UNKNOWN (NR 2 NLG WOW) · airframe 15,063 hrs · 15,368 cycles

SEA FLIGHT NR 2436: LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF, RAN CHECK LIST. NO FIX. GEAR INDICATED 3 GREEN AND 3 RED WITH HANDLE UP. 3 GREEN WITH HANDLE DOWN. MAINTENANCE REMOVED AND REPLACED NLG WOW 2 HARNESS IAW Q400 AMM 32-21-11-000-801 AND 32-21-11-400-801 AND TASK CARD 6071001. OPS CHECK GOOD. PERFORMED GEAR SWING IAW Q400 AMM 32-31-00-867-801. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — INOPERATIVE (HYD SYSTEM) · airframe 14,985 hrs · 15,292 cycles

PDX - ON FLIGHT 2449, RETURNED TO GATE NR 3 HYDRAULIC PUMP CAUTION LIGHT ILLUMINATED AFTER ENGINE START PRIOR TO TAXI. THE LIGHT ILLUMINATED RIGHT AFTER BRAKE RELEASE FOR TAXI. MAINTENANCE REMOVED AND REPLACED NR 3 HYDRAULIC PUMP. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — OUT OF ADJUST (MLG DOOR) · airframe 14,454 hrs · 14,808 cycles

LAX FLIGHT NR 2443: ON DESCENT AT 15,000' AND 270 KIAS, THE LANDING GEAR INITIATED ITS OWN EXTENSION (UNCOMMANDED). IT CYCLED DOORS OPEN FOR 2 SECONDS AND THEN CLOSED. NOT KNOWN HOW FAR DOOR OPENED BUT GEAR DID NOT EXTEND. EVENT MARKER PRESSED. MAINTENANCE INTERROGATED CDS. FOUND CURRENT FAULT RGDRLL NEAR GAP TOO LARGE. ADJUSTED RIGHT GEAR DOOR CLOSED PROX SENSOR IAW Q400 MM TASK 32-61-06-830-801 TI ITS NOMINAL NEAR GAP. PERFORMED INDUCTANCE VALUE CHECK OF RIGHT GEAR DOOR CLOSED PROX SENSOR IAW Q400 MM TASK 32-61-00-280-801. INDUCTANCE VALUE CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. FAULT CODE CLEARED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — FAILED (NR 2) · airframe 14,231 hrs · 14,616 cycles

SEA FLIGHT NR 2350: NR 2 AC GEN FAIL AND WOULD NOT RESET. MAINTENANCE REMOVED AND REPLACED THE NR 2 AC GENERATOR. C/W NR 2 MAIN AND SCAVENGE FILTERS INSPECTION IAW HORIZON EC 6-05-21. ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION (COCKPIT) · airframe 13,135 hrs · 13,661 cycles

SEA FLIGHT: 5 MINUTES TO LANDING, RED -FAIL- MESSAGE APPEARED IN NR 1 VHF FREQUENCY SELECTOR BOX ON BOTH ARCDU'S. USED NR 2 COMM TO LAND. RAN CHECKLIST AT GATE. FAIL MESSAGE RE-APPEARS. MAINTENANCE POWERED OFF AIRCRAFT. THEN RE-APPLIED POWER. SYSTEM OPS CHECKS GOOD. NO FAULTS WERE PRESENT ON NR 1 R/T. PERFORMED OPS CHECK OF THE NR 1 VHF COMM SYSTEM IAW Q400 AMM TASK 23-11-00-710-801. OPS CHECKS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — MALFUNCTIONED (ENGINE) · airframe 13,012 hrs · 13,555 cycles

PDX-ON FLIGHT 2434, STANDBY BATTERY AFTER ENGINE START WOULD NOT DECREASE LOAD BELOW.40. MAINTENANCE REMOVED AND REPLACED EPCU. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — FALSE ACTIVATION · airframe 12,967 hrs · 13,519 cycles

SMF-ON FLIGHT 2410, FLAP POWER CAUTION LIGHT ILLUMINATED AFTER ENGINE STSRT, RAN CHECKLIST. NO CHANGE. RESET CIRCUIT BREAKER A SECOND TIME. CAUTION LIGHT STILL ILLUMINATED. MAINTENANCE C/W FIM TASK, ERASED CDS FAULTS, UNABLE TO DUPLICATE. NO PARTS REPLACED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 12,881 hrs · 13,447 cycles

SEA FLIGHT 2316: AFTER START, NR 1 AND NR 2 DEICE PRESS GAUGE INDICATES 14 PSI. MAINTENANCE GROUND RAN NR 1 AND NR 2 ENGINES AND C/W OPS CHECK OF THE A/F DEICE SYSTEM IAW Q400 AMM TASK 30-11-00-720-801. BOTH NR 1 AND NR 2 DEICE PRESS GAUGES READ 18 PSI. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — FALSE ACTIVATION · airframe 12,809 hrs · 13,389 cycles

SEA FLIGHT 2372: AVIONICS CAUTION ILLUMINATED DURING TAXI. ED SCREEN WENT BLANK. MAINTENANCE CYCLED POWER TO ED AT EDCP, DISPLAY RETURNED TO NORMAL INFO DISPLAY. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: HANDLE — NOT SEATED (SERVICE DOOR) · airframe 12,618 hrs · 13,211 cycles

BOI FLIGHT NR 2385, AFT GALLEY SERVICE DOOR WARNING IN FLIGHT. MAINTENANCE NOTED AS AIRCRAFT PULLED INTO GATE THAT THE AFT SERVICE DOOR HANDLE WAS NOT FULLY SEATED. INSPECTED, CLEANED AND LUBED HANDLE ASSEMBLY AND C/W OPS CHECK IAW AMM 52-41-00-710-801. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DEFECTIVE (E/E BAY) · airframe 12,572 hrs · 13,169 cycles

BOI - FLIGHT 2403 AFTER APU START, STANDBY BATTERY WOULD NOT GO BELOW 1.00. MAINTENANCE REMOVED AND REPLACED STANDBY BATTERY IAW Q400 MTC 6240001. C/W NORMAL APU START. RAN AIRCRAFT FOR APPROXIMATELY 5 MINUTES. ALL BATTERY INDICATIONS NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED (RT ENGINE) · airframe 12,378 hrs · 12,987 cycles

SEA FLIGHT NR 2398: RETURN TO GATE, AFTER PUSH AND DISCONNECT FROM TUG WHEN THE CONDITION LEVERS WERE BROUGHT TO MAX, THE PROPS CAME UP NORMALLY. BUT WHEN AUTOFEATHER WAS SELECTED THE NR 2 PROP FEATHERED. NR 1 PEC CAUTION ILLUMINATED WITH NR 2 AC GEN POWER PLANT MESSAGE ON ED. MAINTENANCE REMOVED AND REPLACED THE NR 2 PCU, CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — FAILED (PITCH TRIM) · airframe 12,257 hrs · 12,870 cycles

SEA FLIGHT NR 2322 - PITCH TRIM CAUTION LIGHT IN FLIGHT DURING CLIMB-OUT OF SEATTLE. FAILED NU ON INDICATION NEITHER TRIM CONTROL WORKED ON YOKE AND TRIM FAIL ON PFD. MAINTENANCE REMOVED AND REPLACED PITCH TRIM ACTUATOR. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 12,135 hrs · 12,753 cycles

PDX - BURNT RIVET AT STA X19.850 APPROX 2.5" ABOVE STR 10L. MAINTENANCE REPAIRED IAW Q400 SRM 51-40-07-320-801, NDTM PART 6, 51-00-01-250-801 AND RD 8/4-53-721.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 12,135 hrs · 12,753 cycles

PDX - BURNT RIVET AT STA X21.5, STR 13R. MAINTENANCE REPAIRED IAW Q400 SRM 51-40-07, NDTM PART 6, 51-00-01-250-801 AND RD 8/4-53-721.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 12,135 hrs · 12,753 cycles

PDX - BURNT RIVET AT STA X30, STRINGER 10L. MAINTENANCE REPAIRED IAW Q400 SRM 51-40-07-320-801. HFEC INSPECTION FOR CRACKS IAW NDTM PART 6, TASK 51-00-01-250-801. NO CRACKS NOTED. C/W RD 8/4-53-721.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 11,913 hrs · 12,544 cycles

SEA FLIGHT NR 2341: AIRCRAFT SLOWLY PRESSURIZED UP TO 2 PSI. FA REPORTED SEEING SKY THROUGH A CRACK IN THE SEED IN AFT PAX DOOR. DIFFERENTIAL NEVER ROSE ABOVE 2.0. AIRCRAFT SEEMED TO BE PRESSURIZING OK BUT AIR WAS GOING OUT FASTER THAN COMING IN. MAINTENANCE DEFERRED CABIN PRESSURIZATION CONTROL IN AUTO MODE IAW MEL BULLETIN 05-01-21-30-5(B). AFT PAX DOOR SEALS AT 1-2 PSI. MAINTENANCE REMOVED AND REPLACED CABIN PRESSURE CONTROLLER. OPS CHECK GOOD. C/W FUNCTIONAL CHECKS AND FUNCTIONAL CHECK OF PRESSURIZATION CONTROL. CHECK GOOD AND CLEARS RSI.

Part: STICK SHAKER — MALFUNCTIONED (STALL WARNING) · airframe 11,847 hrs · 12,480 cycles

PDX FLIGHT: PUSHER SYSTEM FAIL CAUTION LIGHT ILLUMINATED AFTER LANDING. PERFORMED STALL SYSTEM CHECK AS PER EMERGENCY CHECKLIST. DID NOT EXTINGUISH LIGHT. MAINTENANCE CHECKED CDS FOR FAULTS PER Q400 FIM TASK 27-33-04-810-829. NO FAULTS FOUND (POWER HAD BEEN CYCLED PRIOR TO CHECKING FOR FAULTS). STALL WARNING/STICK PUSHER SYSTEM FUNCTIONAL TEST GOOD IAW Q400 MM TASK 27-33-00-710-801. NO FAULTS FOUND IN CDS. NO FURTHER MAINTENANCE PROCEDURE NECESSARY PER FIM TASK 27-33-00-810-829. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (PITOT HEAT) · airframe 11,860 hrs · 12,494 cycles

BOI FLIGHT: ON THE TAXI OUT FROM BOISE, THE NR 1 AND NR 2 PITOT HEAT CAUTION LIGHT, NR 1 AND NR 2 STALL SYSTEM FAIL AND PUSHER SYSTEM FAIL LIGHTS WERE ON. MAINTENANCE RESET CIRCUIT BREAKER L7 ON RIGHT ESSENTIAL NR 3 BREAKERS ON RIGHT 115 VAC PANEL IAW GMM 5-18-0. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SHUNT — FAILED (BATTERY) · airframe 11,656 hrs · 12,317 cycles

LAX FLIGHT NR 2388: WHILE STARTING NR 2 ENGINE WITH APU DURING PUSHBACK, THE STANDBY BATTERY LOAD SHOWED +1.99 LOAD AND WOULD NOT COME DOWN AFTER START. MAINTENANCE REPLACED STANDBY BATTERY SHUNT PER Q400 TASK 24-31-51-000-801 AND 24-31-51-400-801. LOAD CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — MALFUNCTIONED (MLG) · airframe 11,521 hrs · 12,204 cycles

BIL FLIGHT NR 2416: WITH LANDING GEAR SELECTED DOWN, GOT NOSE RED UNSAFE AND BOTH/MAIN GEAR GREEN. CONFIRMED NO NOSE DOWN WITH FLOOR LIGHTS. ALSO HAD HANDLE LIGHT ILLUMINATED. PERFORMED ALL ALTERNATE EXTENSION CHECKLIST AND ALL GEAR SHOWED GREEN. MAINTENANCE REMOVED AND REPLACED THE NLG SOLENOID SEQUENCE VALVE IAW HORIZON EA 6-32-359 AS PER CSL 84-32-020 DEF LG PG 213186 FOR BLEEDING OF THE NR 2 HYD SYS AND LANDING GEAR EXTENSION/RETRACTION SYS. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (TE FLAPS) · airframe 11,492 hrs · 12,180 cycles

RNO - ON FLIGHT 2441, RETURNED TO GATE. FLAP POWER CAUTION LIGHT ON. MAINTENANCE CLEARED FLAP NVM AND COMPLIED WITH SL DH8-400-SL-27-002A. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CIRCUIT BREAKER — TRIPPED (STALL WARNING) · airframe 11,443 hrs · 12,141 cycles

BOI FLIGHT NR 2360: AFTER ENGINE START AND SPOOL-UP, OBSERVED NR 1 AND NR 2 STALL SYSTEM FAIL AND PUSHER SYSTEM FAIL CAUTION LIGHTS ILLUMINATED AND CUE MSG ON PFD'S. FOUND ASSOCIATED CB'S OON 115VAC CB PANEL TRIPPED. MAINTENANCE RESET ALL 4 CIRCUIT BREAKERS. C/W STALL SYSTEM CHECK. OPS CHECKED GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERIVCE.

Part: CONNECTOR — DAMAGED (FUEL TEMP) · airframe 11,202 hrs · 11,941 cycles

PDX - FLIGHT 2309: NR 2 FUEL HEATER TEMP ERRATIC AT FIRST AND THEN WENT TO DASHED LINES. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE FUEL TEMP CANNON PLUG P67 IAW Q400 WD 46-10-00, SHEET 6 OF 7, PG 1. REMOVED AND REPLACED NR 2 FUEL TEMP BULB IAW Q400 AMM 73-31-09-000-801/-400-801. GROUND RAN NR 2 ENGINE. OPS CHECK OF FUEL TEMP GOOD. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PROPELLER — MALFUNCTIONED (FEATHERING SYS) · airframe 11,176 hrs · 11,919 cycles

SEA FLIGHT NR 2316: NR 2 ENGINE TAKES 32-34 SECONDS TO TRANSITION FROM FEATHER TO DISC. ALL OTHER INDICATIONS NORMAL. MAINTENANCE C/W THE FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER ON NR 2 ENGINE PER Q400 AMM TASK 61-20-00-720-801. TIME TO UNFEATHER IS 24 SECONDS, WITHIN LIMITS. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — MALFUNCTIONED (NR 2) · airframe 11,163 hrs · 11,908 cycles

SMF FLIGHT NR 2307: AT 25,000' SMOKE WARNING LIGHT FOLLOWED IN 1 TO 2 MINUTES BY THE NR 2 ENGINE OIL PRESS WARNING LIGHT. SHUTDOWN THE NR 2 ENGINE. MAINTENACE REMOVED AND REPLACED THE NR 2 ENGINE, NR 2 PROP, (P/N 697070003, S/N DAP0217), NR 2 AC GENERATOR (P/N 28B555-1, S/N 067C0102), AND NR 2 OIL COOLER AND BETA TUBE (P/N D2887-815A, S/N M107329) IAW QX MTC 6710003, 6710004, 6610003, 6610004, 6242101, 6610001, 6610002. OPERATED ECS SYSTEM WITH NR 2 ENGINE BLEED AIR UNTIL NO ODOR WAS NOTED. ALL CHECKS GOOD. NO LEAKS DETECTED. AIRCRAFT RETURNED TO SERVICE.

Part: STIFFENER — DAMAGED (LT NACELLE) · airframe 11,131 hrs · 11,876 cycles

PDX: LT NACELLE FINGERNAIL SUPPORT DECK, UPPER SURFACE, OUTBOARD STIFFENER IS DAMAGED APPROX 40" FWD OF AFT END OF DECK. FRESH BLEND WITH CRACK. MAINTENANCE REPAIRED IAW HORIZON AIR EA 6-54-379 AND NDTM PART 6, 51-00-02.

Part: STIFFENER — DAMAGED (LT NACELLE) · airframe 11,131 hrs · 11,876 cycles

PDX: LT NACELLE FINGERNAIL SUPPORT DECK UPPER SURFACE OB STIFFENER IS DAMAGED APPROX 40" FWD OF AFT END OF DECK. MAINTENANCE PERFORMED A FRESH BLEND WITH CRACK MAPPED FOR ENGINEERING. COMPLIED WITH STEP 1 OF EA 6-54-379. HFEC BLENDED AREA IAW 1-84-7A, PT-6-51-00-02. NO CRACKS NOTED. FABED REPAIR DOUBLER AND INSTALLED REPAIR DOUBLER IAW EA 6-54-379 STEPS 3 AND 4.

Part: SEAT TRACK — CORRODED (FSX278) · airframe 11,131 hrs · 11,876 cycles

RT OB SEAT TRACK NR 18 HAS PITTING CORROSION INSIDE CHANNEL AT APPROX FS X278. MAINTENANCE REPAIRED IAW SRM 51-40-15, SRM 51-42-00 AND SRM 51-42-45

Part: SEAT TRACK — CORRODED (FSX170) · airframe 11,131 hrs · 11,876 cycles

RT OB SEAT TRACK NR 17 HAS PITTING CORROSION INSIDE CHANNEL AT APPROX FS X170. MAINTENANCE REPAIRED IAW RD 8-53-884, SRM 51-42-05 AND SRM 51-40-15.

Part: SEAT TRACK — CORRODED (FSX94.8) · airframe 11,131 hrs · 11,876 cycles

LT OB SEAT TRACK HAS NICKS, SCRATCHES AND CORROSION ON TOP RAIL AND IN CHANNEL BETWEEN STA. X32.4 AND X94.8. MAINTENANCE REPAIRED IAW SRM 51-42-05 AND 51-40-10.

Part: SEAT TRACK — CORRODED (RT IB FLOOR FTNG) · airframe 11,131 hrs · 11,876 cycles

RT IB SEAT TRACK NR 10 HAS CORROSION ON TOP OF TRACK AT APPROX FS X3, ALSO UNDER FWD BAG COMPARTMENT FLOOR FITTING AT FS X3. MAINTENANCE REPAIRED IAW NDTM PART 6, 51-00-02 AND RD 8/4-53-884.

Part: SEAT TRACK — CORRODED (BS 572-591) · airframe 11,131 hrs · 11,876 cycles

PDX: LT INBOARD SEAT TRACK HAS PITS AND CORROSION IN CENTER CHANNEL BETWEEN STA X572.25 AND X591.25. MAINTENANCE REPAIRED IAW RD 8-53-884, NDTM PART 6, TASK 51-00-01-250-801 AND RD 8/4-53-884 GENERAL NOTE 6.

Part: SEAT TRACK — CORRODED (BS 361-469) · airframe 11,131 hrs · 11,876 cycles

PDX: LT OUTBOARD SEAT TRACK HAS NICKS, SCRATCHES, AND CORROSION ON TOP RAILS AND IN CHANNEL BETWEEN STA X361 AND X469. MAINTENANCE REPAIRED IAW SRM 51-42-05 ADN 51-40-10.

Part: SEAT TRACK — CORRODED (BS 612) · airframe 11,131 hrs · 11,876 cycles

PDX: RT OUTBOARD SEAT TRACK NR 19 HAS PITTING CORROSION AT APPROX FS X612. MAINTENANCE REPAIRED IAW NDTM PART 6, 51-00-02 AND RD 8/4-53-884.

Part: SEAT TRACK — CORRODED (GALLEY FLOOR) · airframe 11,131 hrs · 11,876 cycles

LT OB SEAT TRACK HAS CORROSION ON TOP FLANGE AND IN CHANNEL BETWEEN STA X659.5 AND X664.5. PART OF CORROSION IS UNDER GALLEY HOLD DOWN BRACKET. MAINTENANCE REPAIRED IAW 51-42-05 AND SRM 51-40-10.

Part: SEAT TRACK — CORRODED (BS 602-625) · airframe 11,131 hrs · 11,876 cycles

PDX: LT INBOARD SEAT TRACK HAS PITS AND CORROSION IN CENTER CHANNEL BETWEEN STA X602.5 AND X625.25. MAINTENANCE REPAIRED IAW NDTM PART 6, TASK 51-00-01-250-801 AND RD 8/4-53-884.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 11,131 hrs · 11,876 cycles

PDX: LT INBOARD SEAT TRACK HAS PITS AND CORROSION IN CENTER CHANNEL BETWEEN STA X377.0 AND X394.5. MAINTENANCE REPAIRED IAW RD 8-53-884, SRM 20-10-01, SRM 51-42-05 AND SRM 51-40-15.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 11,131 hrs · 11,876 cycles

PDX: LT INBOARD SEAT TRACK HAS PITS AND CORROSION IN CENTER CHANNEL BETWEEN STA X177.7 AND X192.95. MAINTENANCE REPAIRED IAW RD 8-53-884, SRM 51-40-10 AND SRM 51-42-05.

Part: YOKE — CHAFED (MLG) · airframe 11,131 hrs · 11,876 cycles

PDX: RT MLG YOKE (H MEMBER) INBOARD LOWER LEG IS CHAFING AGAINST THE YOKE TO SHOCK STRUT BONDING STRAP NEAR THE LUBED GREASE FITTING. MAINTENANCE REPAIRED IAW CMM 32-11-04, SRM 51-21-10, SRM 51-25-10 AND SRM 51-25-15.

Part: SKIN — GOUGED (PAX DOOR) · airframe 11,131 hrs · 11,876 cycles

PDX: SCRATCHES AND GOUGES ACROSS OUTBOARD END OF PASSENGER DOOR OUTER SHELL SKIN. MAINTENANCE REPAIRED IAW SRM 52-10-20-992-801, NDTM PART 6 TASK 51-00-01-250-801, SRM 51-25-05 AND SRM 51-20-25.

Part: ACTUATOR — MALFUNCTIONED (MLG) · airframe 10,860 hrs · 11,626 cycles

AFTER TAKEOFF AND SELECTING GEAR UP, NR 2 GEAR DID NOT PROPERLY RETRACT. RED "RIGHT", UNSAFE LIGHT, AMBER "R DOOR" AND AMBER GEAR SELECTOR HANDLE LIGHTS REMAINED ILLUMINATED. RAN CHECKLIST. CONFIGURATIONS WERE OK. CYCLED GEAR SOLVED PROBLEM. FA REPORTED LOUD NOISE FROM RIGHT SIDE PRIOR TO 2ND CYCLING OF THE GEAR. MAINTENANCE OPERATED GEAR USING GROUND CART. FOUND NR 2 GEAR RETRACT ACTUATOR LEAKING FROM PISTON SHAFT AND ACTUATOR SLOW TO STOW GEAR INTO UPLOCK. REPLACED NR 2 GEAR RETRACT ACTUATOR IAW Q400 TASK 32-31-11-000-801 AND 32-31-11-400-801. LEAK CHECK, BLEED NR 2 HYD SYSTEM AND FUNCTIONAL CHECK OF LANDING GEAR PRIMARY RETRACTION AND EXTENSION SYSTEM GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLAP SYSTEM — INOPERATIVE (TE FLAPS) · airframe 10,459 hrs · 11,236 cycles

SEA-ON FLIGHT 2348, RETURNED TO GATE, WHEN SETTING FLAPS FOR TAKEOFF, THE FLAP POWER CAUTION LIGHT ILLUMINATED AND THE FLAPS DID NOT MOVE. NO FAULTS FOUND IN CDS. CLEARED NVM IN CDS, RESET FLAP CONTROL CIRCUIT BREAKER. RAN FLAPS UP AND DOWN TO 35 DEGREES. FLAP CAUTION EXTINGUSHED. AIRCRAFT RETURNED TO SERVICE AS PER SERVICE LETTER DH8-400-SL-27=002A. NO PARTS WERE REPLACED.

Part: DOOR — LACK OF LUBE (CABIN) · airframe 10,050 hrs · 10,875 cycles

FLIGHT ATTENDANT REPORTED MAIN CABIN DOOR HARD TO OPEN. MX CLEANED AND LUBRICATED DOOR. OPS CHECKS GOOD. ACFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SWITCH — FAULTY (SPOILER) · airframe 9,883 hrs · 10,712 cycles

GEG FLIGHT NR 2376 - DURING CLIMB THROUGH ABOUT 6000 FT AND 190 KIAS, THE 'SPLR OUTBD' CAUTION LIGHT ILLUMINATED. REDUCED TO 200 KIAS FOR CRUISE AS PER E/A CHECKLIST. LIGHT WENT OUT GOING THROUGH 185 KIAS APROACH. MAINTENANCE REPLACED "ROLL SPLR" OUTBOARD HYDRAULIC PSI SWITCH. LEAK AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 9,798 hrs · 10,630 cycles

WHEN SELECTING FLAPS, FLAP POWER CAUTION LIGHT ILLUMINATED, FOLLOWING EMERGENCY CHECKLIST, UNABLE TO RESTORE POWER TO FLAP SYSTEM. CONDUCTED ZERO FLAP LANDING WITHOUT FURTHER INCIDENT. MX COMPLIED WITH SL DH8-400-SL-27-002A, CAUTION LIGHT EXTINGUISHED. COMPLIED WITH OPS CHECK IAW AMM 27-50-00, PAGES 501-203. OPS CHECK GOOD. NO PARTS REPLACED. ACFT RETURNED TO SERVICE.

Part: CONTROL SYSTEM — MALFUNCTIONED (TE FLAPS) · airframe 9,798 hrs · 10,630 cycles

GEG - FLIGHT NR 2300 ON APPROACH, WHEN SELECTING FLAPS, THE FLAP POWER CAUTION LIGHT ILLUMINATED. FOLLOWING THE EMERGENCY CHECKLIST, UNABLE TO RESTORE POWER TO THE FLAP SYSTEM. CONDUCTED ZERO FLAP LANDING WITHOUT INCIDENT. MAINTENANCE COMPLIED WITH S/L DH8-400 SL-27-002A CAUTION LIGHT EXTINGUISHED. COMPLIED WITH OPERATIONAL CHECK. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — INOPERATIVE (APU FIRE WARNING) · airframe 9,674 hrs · 10,518 cycles

PDX - FLIGHT 403QX - THE MASTER WARNING AND CHECK FIRE DETECTION LIGHTS ILLUMINATED IN FLIGHT. THE APU FIRE BOTTLE LOW LIGHT WAS ALSO ILLUMINATED AND STEADY AFTER RUNNING CHECK LIST. THE BOTTLE LOW AND MASTER WARNING ILLUMINATED OFF AND ON FOR A WHILE AND THEN STAYED OFF. UPON LANDING THE APU FIRE WOULD NOT TEST. MAINTENANCE REMOVED AND REPLACED THE APU FIRE CONTROL RELAY AND PERFORMED OPERATIONAL TESTS OF THE APU FIRE DETECTION SYSTEM IAW 8-400 MM TASK 26-13-00-710-801. OPS CHECK GOOD. MTX ALSO CHECKED CONNECTORS ON APU FIRE BOTTLES, APU FADE AND RELAY BOX. ALL CONNECTORS SECURE AND APU FIRE BOTTLE INDICATOR SHOWS GREEN LIGHT. OK FOR SERVICE.

Part: POWER UNIT — MALFUNCTIONED (TE FLAP CONTROL) · airframe 9,627 hrs · 10,470 cycles

AFTER PUSHBACK FROM GATE AND SELECTED FLAPS -15 DEGREES, FLAP POWER CAUTION ILLUMINATED. PERFORMED ABNORMAL FLAP POWER CAUTION CHECK LIST. RESET FLAP CONTROL CIRCUIT BREAKER. SET FLAPS TO 15 DEGREES AND FLAP POWER CAUTION CAME ON AGAIN. MX REPLACED FLAP POWER UNIT IAW AMM TASK 27-52-01-000-801, ALL CHECKS GOOD. LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 9,627 hrs · 10,470 cycles

BOI - FLAP POWER CAUTION LIGHT WHEN FLAPS SELECTED FOR APPROACH. COMPLIED WITH E&A CHECKLIST RESET PROCEDURE. FLAP POWER CAUTION EXTINGUISHED AND FLAPS OPERATED NORMAL FOR REMAINDER OF FLIGHT. MAINTENANCE COMPLIED WITH DH8-400-SL-27-002A, CAUTION CLEARED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 9,627 hrs · 10,470 cycles

PDX - FLAP POWER CAUTION LIGHT. COMPLIED WITH RESET OF FLAPS CONTROL CIRCUIT BREAKER PER CHECKLIST. MAINTENANCE COMPLIED WITH DH8-400-SL-27-002A, CAUTION CLEARED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — MALFUNCTIONED (FLAP CONTROL SYS) · airframe 9,624 hrs · 10,466 cycles

UPON SELECTION OF FLAPS FROM 0 TO 5 DEGREES, FLAP POWER CAUTION LIGHT ILLUMINATED. FLAP CONTROL CIRCUIT BREAKER RESET VIA EMERGENCY PROCEDURE. FLAPS OPERATED NORMALLY FOR LANDING. MX REPLACED FLAP CONTROL UNIT AS A PRECAUTIONARY MEASURE IAW AMM 27-51-01, PAGE 401-409. FUNCTIONAL TEST GOOD. ACFT RETURNED TO SERVICE.

Part: LIGHT — FALSE INDICATION (FLAP CONTROL SYS) · airframe 9,602 hrs · 10,446 cycles

FLAP POWER CAUTION LIGHT IN FLIGHT AFTER SELECTING FLAPS 5 DEGREES. ACCOMPLISHED CHECKLIST, FLAPS RESET. NO CAUTION LIGHT UPON MX ARRIVAL. NO FAULTS IN CDS. FLIGHT CREW INDICATED NO FURTHER FAULTS AFTER RESET. NO PARTS REPLACED. ACFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE INDICATION (FLAP CONTROL SYS) · airframe 9,592 hrs · 10,435 cycles

FLAP POWER CAUTION LIGHT ON APPROACH WHEN FLAPS WERE SELECTED TO 5 DEGREES. FOLLOWED EMERGENCY CHECKLIST. CIRCUIT BREAKER L7-L ESSENTIAL PULLED AND FLAPS OPERATED NORMALLY. MX CONTACTED VIA SELCAL. NO FURTHER MX ACTION REQUIRED. NO PARTS REPLACED. ACFT RETURNED TO SERVICE.

Part: ARM — CRACKED (CABIN DOOR) · airframe 9,236 hrs · 10,101 cycles

SEA - FLIGHT 2387 - THE MAIN CABIN DOOR IS DIFFICULT TO OPEN. MAINTENANCE INSPECTED THE DOOR AND REPLACED THE FORWARD DOOR SUPPORT. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SEAL — LEAKING (EMERGENCY DOOR) · airframe 9,143 hrs · 10,014 cycles

BOI - FLIGHT 2362 - THE FLIGHT RETURNED TO FIELD WHEN SHORTLY AFTER TAKEOFF THE RIGHT FORWARD EMERGENCY EXIT STARTED LEAKING AIR. 02/04/05 MAINTENANCE INSPECTED THE DOOR SEAL AND REPLACED THE UPPER SEAL ON THE LOWER FORWARD EMERGENCY EXIT DOOR. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: GENERATOR — INOPERATIVE (ZONE 100) · airframe 9,139 hrs · 10,011 cycles

NR 1 AC GEN CAUTION LIGHT ON CLIMBOUT. RECYCLED NR 1 AC GEN SWITCH CAUTION LIGHT REMAINED ILLUMINATED. LEFT SWITCH IN OFF POSITION PER EMERGENCY CHECKLIST. MAINTENANCE INTERROGATED EPCU AND FOUND FAULT CODE 27. REPLACED NR 1 AC GCU, NO HELP. REPLACED NR 1 AC GEN. PERFORMED OPERATIONAL TEST OF THE VARIABLE FREQUENCY GEN SYSTEM, TESTED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: POWER UNIT — FAILED (ZONE 200) · airframe 8,497 hrs · 9,417 cycles

PDX - FLIGHT 2309 - THE FLIGHT RETURNED TO FIELD AFTER THE CREW RECEIVED A FLAP DRIVE CAUTION DURING CLIMB. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE FLAP POWER UNIT. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRAP — BROKEN (PROP BUSS) · airframe 7,210 hrs · 8,112 cycles

YYC FLIGHT 2331, PROP DE-ICE CAUTION LIGHT ILLUMINATED IN FLIGHT. UPON RESET VIA CHECKLIST, LIGHT CAME BACK ON WITH NR 2 AC GENERATOR CAUTION LIGHT. AC GENERATOR CAUTION RESET NORMALLY. MAINTENANCE FOUND NR 3 BUSS STRAP ON NR 2 PROP BROKEN. REPLACED BUS STRAP. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: NUT PLATE — BROKEN (ZONE 600) · airframe 7,145 hrs · 8,048 cycles

PDX - RT WING FUEL ACCESS PANEL 622AT HAS BROKEN NUTPLATE AT FORWARD IB CORNER. REPAIRED IAW DHC-8-400 SRM 51-42-05 AND SRM 51-23-00.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,145 hrs · 8,048 cycles

PDX - PITTING ON LT IB SEAT TRACK IN BOTTOM CENTER FROM STATION X217.000 TO STATION X223.000. REPAIRED IAW EA 6-53-346.

Part: NUT PLATE — STRIPPED (ZONE 500) · airframe 7,145 hrs · 8,048 cycles

PDX - PANEL 522AT HAS TWO STRIPPED NUT PLATES. REPAIRED IAW DHC-8-400 SRM 51-42-05. AND SRM 51-23-00.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,145 hrs · 8,048 cycles

PDX - PITTING ON LT IB SEAT TRACK BOTTOM CENTER FROM STATION X193.000 TO STATION X171.000. REPAIRED IAW HORIZON AIR EA 6-53-346.

Part: NUT PLATE — BROKEN (ZONE 600) · airframe 7,145 hrs · 8,048 cycles

PDX - RT WING FUEL PANEL 623AT HAS ONE BROKEN NUTPLATE. REPAIRED IAW Q400 AMM TASK 57-11-01-400-801, PARAGRAPH 1, 2, 3 AND 4C.

Part: BOOT — INOPERATIVE (ZONE 500) · airframe 7,041 hrs · 7,955 cycles

ON FLIGHT 2348 DE-ICE PRESSURE CAUTION LIGHT ILLUMINATED DURING DESCENT IN ICING CONDITIONS. RAN CHECKLIST AND OBSERVED SECOND PANEL FROM LT WINGTIP DID NOT INFLATE AND RIGHT SIDE PRESSURE 10-12 PSI. GROUND RAN AIRCRAFT, OPERATED BOOTS THROUGH 3 CYCLES. DE-ICE PRESSURE AND BOOTS NORMAL. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — FAILED (ZONE 200) · airframe 7,026 hrs · 7,940 cycles

WHILE PERFORMING OPERATIONAL CHECK OF EMERGENCY LIGHTS SYSTEM, LIGHTS AT THE AFT CABIN DOORS AND REAR EGRESS DID NOT WORK. REMOVED AND REPLACED POWER SUPPLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR SEAL — TORN (PAX DOOR) · airframe 6,812 hrs · 7,737 cycles

GEG - FLIGHT 2337 - THE CREW RETURNED TO GATE WHEN THE MAIN CABIN DOOR SEAL WOULD NOT INFLATE. MAINTENANCE INSPECTED THE DOOR AND REPLACED THE MAIN CABIN DOOR SEAL. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: HEATER — FAILED (ZONE 400) · airframe 6,082 hrs · 6,970 cycles

ON FLIGHT 2370 DURING TAXI OUT STRONG ODOR PRESENT IN COCKPIT AND CABIN. NR 1 ENGINE ADAPT HEAT CAUTION LIGHT CAME ON AND FOUND INTAKE LIP HEATER ENGINE 1 CIRCUIT BRAKER POPPED. REMOVED AND REPLACED NR 1 ENGINE INTAKE HEATER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — ACTIVATED (FLAP SYSTEM) · airframe 5,838 hrs · 6,690 cycles

SEA- ON FLIGHT NUMBER 2368, FLAP POWER CAUTION MESSAGE ILLUMINATED AFTER SELECTED FLAPS 15 DEGREES. ACCOMPLISHED EMERGENCY CHECKLIST AFTER LANDING AND PER CHECKLIST PULLED FLAP CONTROL CIRCUIT BREAKER. CAUTION LIGHT DISAPPEARED. PERFORMED OPERATIONAL CHECK OF FLAP SYSTEM. NO DEFECTS NOTED. CAUTION LIGHT DID NOT ILLUMINATE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WEB — CRACKED (NR 1 COWLING) · airframe 5,798 hrs · 6,643 cycles

PDX - NR 1 LOWER COWLING CENTER SUPPORT WEB CRACKED. REPAIRED IAW RD 8/4-71-016 AND RD 8/4-71-053.

Part: FRAME — CHAFED (NR 1 NACELLE) · airframe 5,798 hrs · 6,643 cycles

PDX - NR 1 ENGINE FORWARD HORSE SHOCK MOUNT FRAME HAS CHAFED AREA AT ONE O'CLOCK POSITION ON AFT EDGE OF FRAME. REPAIRED IAW HORIZON AIR EA 6-54-275.

Part: WARNING LIGHT — MALFUNCTIONED (ZONE 200) · airframe 5,738 hrs · 6,582 cycles

PDX-ON FLIGHT NUMBER 2358, FLAP POWER CAUTION LIGHT ILLUMINATED AFTER ENGINE START. RESETTING CIRCUIT BREAKER L7 ACCORDING TO CHECKLIST DID NOT CURE PROBLEM. CYCLED FLAP CONTROL CIRCUIT BREAKER AND RESET NON-VOLATILE MEMORY AT MAINTENANCE PANEL. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ODOR — DETECTED (CABIN) · airframe 5,424 hrs · 6,226 cycles

SEA- ON FLIGHT 2349 BOTH FLIGHT ATTENDANTS REPORTED STRONG ELECTRICAL SMELL JUST AFT OF MID CABIN. INSPECTED AIRCRAFT FOR ELECTRICAL SMELL WITH CABIN CLOSED AND PRESSURE OFF, NO DEFECTS NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: NUT PLATE — STRIPPED (EXTERIOR LIGHT) · airframe 5,214 hrs · 6,001 cycles

PDX- RED ANTI-COLLISION LIGHT HAS TWO NUT PLATES STRIPPED OUT. REPAIRED IAW Q400 SRM 51-42-05.

Part: ACTUATOR — MALFUNCTIONED (PITCH TRIM) · airframe 5,137 hrs · 5,928 cycles

PDX- ON FLIGHT 2315 SEA TO EUG, DIVERTED TO PDX DUE TO ON CLIMBOUT OF SEA AT 6,000 FEET ACCELERATING TO 240 KTS, "PITCH TRIM" CAUTION LIGHT ILLUMINATED. NO OTHER CAUTION LIGHTS ILLUMINATED. ELEVATOR TRIM POINTER WENT TO FULL NU AND ELEVATOR TRIM WAS INOPERATIVE. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PITCH TRIM ACTUATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — FLUCTUATES (NR 1) · airframe 5,116 hrs · 5,898 cycles

PSC - FLIGHT 2390 ENROUTE SEA-BOI DIVERTED INTO PSC NR 1 ENGINE LOW OIL PRESSURE AND FLUCTUATING. REPLACED NR 1 ENGINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — MALFUNCTIONED (NR 1) · airframe 4,937 hrs · 5,707 cycles

SEA-ON FLIGHT NUMBER 2331, THE NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. AFTER CHECK LIST WAS RAN, THE LIGHT REMAINED ILLUMINATED. REMOVED AND REPLACED NR 1 AC GENERATOR. PERFORMED OPERATIONAL TEST, OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ANGLE — BROKEN (ZONE 600) · airframe 4,881 hrs · 5,646 cycles

RIGHT INBOARD FLAP SHROUD HAS BROKEN L ANGLE ATTACHING CONNECTOR TO SPAR. REPAIRED IAW HORIZON AIR EA 6-57-158.

Part: ANGLE — BROKEN (ZONE 600) · airframe 4,881 hrs · 5,646 cycles

RIGHT SIDE INBOARD FLAP SHROUD HAS BROKEN L ANGLE ATTACHING CONNECTION CHANNEL TO SPAR (VERY OUTBOARD) REPAIRED IAW HORIZON AIR EA 6-57-158.

Part: WARNING HORN — ACTIVATED (COCKPIT) · airframe 4,869 hrs · 5,631 cycles

PDX- ON FLIGHT 2309 ABORTED TAKEOFF DUE TO TAKEOFF WARNING HORN SOUNDED AFTER ADVANCING POWER LEVERS. MAINTENANCE COMPLIED WITH TAKEOFF WARNING HORN IAW S/L DH8-400-SL-27-006-R1 AND FUNCTIONAL TEST IAW TASK 31-52-00-720-801 OF AMM. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (TE FLAPS) · airframe 4,586 hrs · 5,313 cycles

SEA- ON FLIGHT 2296 ON SHORT AND FINAL INTO SEA FLAP POWER CAUTION LIGHT ILLUMINATED WHEN FLAP SELECTED FROM 5 DEGREES TO 15 DEGREES. FLAPS STOPPED AT 10 DEGREES. AIRCRAFT LANDED WITHOUT INCIDENT. CLEARED FLAP POWER CAUTION LIGHT AND PERFORMED OPERATIONAL CHECK OF WING FLAPS IAW Q400 TASK 27-50-00-710-801. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BUSHING — DAMAGED (HAND RAIL) · airframe 4,535 hrs · 5,255 cycles

ON FLIGHT 2328 MAIN CABIN DOOR WILL NOT OPEN OR CLOSE. REMOVED AND REPLACED MAIN CABIN DOOR HANDRAIL ASSEMBLY BUSHINGS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SEAL — DAMAGED (PAX DOOR) · airframe 3,778 hrs · 4,340 cycles

SEA-ON FLIGHT NUMBER 2398, ON CLIMBOUT, FLIGHT ATTENDANT REPORTED LOUD RUSHING NOISE COMING FROM MAIN CABIN DOOR. NOTICED AIRCRAFT WOULD NOT PRESSURIZE, RETURNED TO FIELD. INSPECTED MAIN CABIN DOOR SEAL AND FOUND SEVERAL CUTS. REMOVED AND REPLACED SEAL. GROUND RAN AND PRESSURIZED AIRCRAFT. SEAL INFLATES, NO LEAKS NOTED AIRCRAFT RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — TRIPPED (PROP DEICE) · airframe 4,008 hrs · 4,690 cycles

SEA-ON FLIGHT NUMBER 2349, PROP DEICE CAUTION LIGHT AS PER CHECKLIST TURNED OFF THEN ON, CAUTION LIGHT WENT AWAY BUT RIGHT HAND PROP DEICE INOPERATIVE. NO GREEN LIGHT, NO ELECTRIC LOAD. NO RIGHT HAND PROP HEATER BOOT BURN THRU'S. FUNCTIONAL CHECK OF PROP DEICE SYSTEM FAIL. NR 2 PROP PULLED/RESET NR 2 PROP DEICE CIRCUIT BREAKER. PROP DEICE SYSTEM FUNCTIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CHANNEL — CRACKED (ZONE 400) · airframe 3,977 hrs · 4,657 cycles

PDX-RIGHT HAND LOWER COWL AFT RIGHT HAND VERTICAL U-CHANNEL IS CRACKED. REPAIRED IAW RD8/4-71-016.

Part: FRAME — CRACKED (ZONE 400) · airframe 3,977 hrs · 4,657 cycles

PDX-LOWER COWL NR 2 MID FRAME IS CRACKED. REPAIRED IAW RD8/4-71-016.

Part: SUPPORT — CRACKED (ZONE 400) · airframe 3,977 hrs · 4,657 cycles

PDX-RIGHT HAND LOWER COWL AFT CENTER SUPPORT WEB LOWER ANGLE IS CRACKED. REPAIRED IAW RD8/4-71-016.

Part: BLADE — CRACKED (NR 2 ENGINE) · airframe 3,977 hrs · 4,657 cycles

PDX - NR 2 ENGINE FAILED SCHEDULED BORESCOPE. LP COMPRESSOR ROTOR 1 BLADE CRACKED. REPLACED ENGINE. AIRCRAFT OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE SENT TO PRATT AND WHITNEY FOR EVALUATION.

Part: HARNESS — INOPERATIVE (ZONE 700) · airframe 3,925 hrs · 4,609 cycles

PDX-ON FLIGHT NUMBER 2352, AFTER TAKEOFF, GEAR DID NOT RETRACT FOR ALMOST 1-1/2 MIN. GEAR HANDLE WAS UP. ALTERNATE LANDING GEAR RELEASE DOOR WAS CLOSED AND GEAR INHIBIT SWITCH AT NORMAL. REMOVED AND REPLACED WEIGHT ON WHEELS #2 CENTERING HARNESS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (BLEED AIR SYS) · airframe 3,861 hrs · 4,536 cycles

PDX ON FLIGHT 2353- NR 2 BLEED HOT CAUTION LIGHT ILLUMINATED DURING FLIGHT. TURNED OFF NR 2 BLEED PER CHECKLIST. CAUTION LIGHT REMAINED ILLUMINATED FOR THE REST OF THE FLIGHT. REMOVED AND REPLACED NR 2 BLEED OVER TEMPERATURE SWITCH. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HANDLE (ZONE 800) · airframe 3,820 hrs · 4,495 cycles

GEG - FLIGHT 2396 - CREW DIVERTED TO GEG WHEN DURING FLIGHT THE FUSELAGE DOOR WARNING STAYED ON FOR APPROXIMATELY 5 MINUTES. NO PROBLEM WITH PRESSURIZATION WAS EXPERIENCED. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE EXTERNAL DOOR HANDLE NOT FULLY IN THE RECESS. THE INTERNAL HANDLE MECHANISM WAS ADJUSTED AND A FUNCTIONAL CHECK WAS PERFORMED. THE CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (BLEED AIR SYS) · airframe 3,806 hrs · 4,476 cycles

SEA ON FLIGHT 2388- NR 2 BLEED HOT CAUTION LIGHT ILLUMINATED INFLIGHT. CAUTION LIGHT EXTINGUISHED ABOUT FIVE MINUTES AFTER EMERGENCY/ABNORMAL CHECKLIST WAS COMPLETED. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED RIGHT HAND BLEED OVERTEMP SWITCH. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — INOPERATIVE (ZONE 100) · airframe 3,806 hrs · 4,476 cycles

SEA-ON FLIGHT NUMBER 2361, #2 BLEED HOT CAUTION LIGHT ILLUMINATED INFLIGHT. CAUTION LIGHT EXTINGUSHED ABOUT 5 MINS AFTER EMERGENCY/ABNORMAL CHECK LIST COMPLETED. BLEED TURNED OFF. INTERROGATED CDS, FOUND FAULT CODES 7001 & 7005 FOR RIGHT HAND SIDE. REMOVED AND REPLACED BLEED OVERTEMP SWITCH. GROUND RAN ENGINES, CYCLED BLEED AIR ON. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — FAULTY (BLEED AIR SYS) · airframe 3,801 hrs · 4,470 cycles

SEA ON FLIGHT 2315- NR 2 BLEED HOT CAUTION ILLUMINATED SHORTLY AFTER TAKEOFF. RAN ABNORMAL CHECK LIST, CAUTION LIGHT REMAINED ILLUMINATED. REPINNED 9811-P20 ON NR 2 ENGINE BLEED AIR OVER TEMPERATURE SWITCH. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COVER — OUT OF ADJUST (SERVICE DOOR) · airframe 3,643 hrs · 4,284 cycles

EN ROUTE FROM SEA TO BZN AFT SERVICE DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO GEG AND LANDED WITHOUT INCIDENT. INSPECTED AFT SERVICE DOOR AND FOUND OUTER HANDLE NOT FLUSH. ADJUSTED FLAP COVER. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — FAILED (PROPELLER) · airframe 3,615 hrs · 4,252 cycles

PDX- RETURNED TO FIELD DUE TO POWER PLANT MESSAGE DURING CLIMB AFTER TAKE OFF. ALL OTHER INDICATIONS NORAML. NO CAUTION LIGHT. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PROPELLER ELECTRONIC CONTROL. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SENSOR — OUT OF RIG (ZONE 800) · airframe 3,604 hrs · 4,236 cycles

BOI - DURING CLIMBOUT, THE GEAR CYCLED MOMENTARILY. THE CREW SAW THE LAEFT AND RIGHT MAIN GEAR DOOR LIGHTS FLASH AND HEARD THE GEAR LOCK BACK INTO THE UP POSITION. MAINTENANCE INSPECTED THE AIRCRAFT AND RE-RIGGED THE MAIN LANDING GEAR DOOR PROX SENSOR. OPERATIONAL CHECKS WERE PERFORMED AND CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. NO PARTS WERE REPLACED.

Part: HINGE — CHAFED (LT MLG DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - LEFT HAND FORWARD MAIN LANDING GEAR DOOR AFT HINGE ON BOTTOM SIDE IS CHAFING ON DOUBLER AROUND NACELLE HINGE FITTING. REPAIRED IAW Q400 AMM 32-12-11-400-801.

Part: HINGE — CHAFED (RT MLG DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - RIGHT HAND MAIN LANDING GEAR FORWARD INBOARD DOOR AFT HINGE ARM IS CHAFED ON BACKSIDE. REPAIRED IAW Q400 MM TASK 32-12-11-400-801.

Part: SKIN — DENTED (FUSELAGE) · airframe 3,591 hrs · 4,219 cycles

PDX - A DENT EXISTS IN THE SKIN ABOVE AND AFT OF LEFT HAND ICE SHIELD. REPAIRED IAW HORIZON AIR EA 6-53-143.

Part: BRACKET — CRACKED (LT NACELLE) · airframe 3,591 hrs · 4,219 cycles

PDX - BRACKET SECURING UPPER NACELLE SKIN TO NR 3 FLAP TRACK SUPPORT STRUCTURE IS CRACKED ON LEFT HAND NACELLE, STATIONS X450 AND YW190.0. REPAIRED IAW Q400 SRM 51-24-35.

Part: SKIN — DENTED (FUSELAGE) · airframe 3,591 hrs · 4,219 cycles

PDX - A DENT EXISTS IN SKIN ABOVE WINDOW L12 ADJACENT TO STRINGER 5, STATION X287. REPAIRED IAW HORIZON AIE EA 6-53-143.

Part: SKIN — DENTED (FUSELAGE) · airframe 3,591 hrs · 4,219 cycles

PDX - DENTS EXIST IN SKIN OF LEFT HAND FUSELAGE ABOVE WINDOW L13, BETWEEN STRINGERS 12 AND 13. REPAIRED IAW HORIZON AIR EA 6-53-144.

Part: FIRESEAL — CHAFED (COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - TWO ADJACENT CHAFES TO UPPER SURFACE OF THE LOWER COWL FIRE FLOOR, OF COWL PANEL 422AB. REPAIRED IAW HORIZON AIR EA 6-71-71.

Part: HINGE — GOUGED (CARGO DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - GOUGE IN MAIN HINGE JUST BELOW LOCK LATCH MECHANISM OF FORWARD CARGO DOOR. REPAIRED IAW HORIZON AIR EA 6-52-215.

Part: ANGLE — CRACKED (NACELLE) · airframe 3,591 hrs · 4,219 cycles

PDX - ANGLE CRACKED BELOW FINGERNAIL DECK AT STATION XN302, YW173. REPAIRED IAW RD 8/4-54-033/044.

Part: HINGE — GOUGED (CARGO DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - GOUGE IN MAIN HINGE, FORWARD FACE, NEAR LOWER HINGE ATTACH POINT OF FORWARD CARGO DOOR. REPAIRED IAW HORIZON AIR EA 6-52-215.

Part: SKIN — GOUGED (FUSELAGE) · airframe 3,591 hrs · 4,219 cycles

PDX - THERE IS A GOUGE IN THE SKIN BELOW AFT CARGO DOOR CUT OUT, APPROXIMATELY STATION X758. REPAIRED IAW DHC-8 SRM 51-21-10 AND Q400 AMM 51-256-31-370-801.

Part: FITTING — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - ABOVE DEBRIS DOOR, RIGHT HAND LOWER COWL RIGHT HAND UPPER Z MEMBER FORWARD CLEAT CRACKED. REPAIRED IAW RD 8/7-71-016-019.

Part: PAINT — CHIPPED (FUSELAGE) · airframe 3,591 hrs · 4,219 cycles

PDX - FORWARD PASSENGER DOOR SURROUND HAS A 2 INCH LONG AREA OF PAINT CHIPPED OFF. REPAIRED IAW DHC-8 Q400 SRM 51-25-02, PAGE 208, PARAGRAPH 5F AND SRM 51-25-15, PAGE 203, STEP 5, SUBTASK A-F.

Part: CHANNEL — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - RIGHT HAND LOWER COWL DEBRIS DOOR RIGHT HAND APERTURE CHANNEL CRACKED AT AFT END. REPAIRED IAW RD 8/4-71-106.

Part: CHANNEL — CRACKED (LT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - LEFT HAND LOWER COWL DEBRIS DOOR RIGHT HAND APERTURE CHANNEL CRACKED AFT END. REPAIRED IAW RD 8/4-71-016.

Part: CHANNEL — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - RIGHT HAND LOWER COWL DEBRIS DOOR LEFT HAND APERTURE CHANNEL CRACKED AFT END. REPAIRED IAW RD 8/4-71-016.

Part: HINGE — GOUGED (CARGO DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - GOUGE IN MAIN HINGE JUST BELOW LOCK LATCH MECHANISM ON FORWARD CARGO DOOR. REPAIRED IAW DHC-8 Q400 SRM 51-14-00, PAGE 221.

Part: ANGLE — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - ABOVE DEBRIS DOOR, RIGHT HAND LOWER COWL RIGHT HAND UPPER Z MEMBER CRACKED. REPAIRED IAW RD 8/4-71-016.

Part: CHANNEL — CRACKED (LT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - LEFT HAND LOWER COWL DEBRIS DOOR LEFT HAND APERTURE CHANNEL CRACKED IN AFT END. REPAIRED IAW RD 8/4-71-016.

Part: FITTING — CRACKED (LT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - ABOVE DEBRIS DOOR, LEFT HAND LOWER COWL RIGHT HAND UPPER Z MEMBER FORWARD CLEAT CRACKED. REPAIRED IAW RD 8/4-71-016.

Part: ANGLE — CRACKED (LT NACELLE) · airframe 3,591 hrs · 4,219 cycles

PDX - AFT CONE WEB UPPER REPAIR ANGLE CRACKED ON LEFT HAND NACELLE. REPAIRED IAW RD 8/4-71-016.

Part: ANGLE — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - RIGHT HAND LOWER COWL UPPER Z MEMBER CRACKED ABOVE DEBRIS DOOR. REPAIRED IAW RD 8/4-71-016.

Part: SUPPORT BRACKET — CRACKED (RT COWLING) · airframe 3,591 hrs · 4,219 cycles

PDX - RIGHT HAND LOWER COWL CONE SUPPORT BRACKET UPPER AND LOWER ANGLES CRACKED. REPAIRED IAW RD 8/4-71-016.

Part: BRACKET — CHAFED (CARGO DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - FORWARD CENTER CAM FOLLOWER GUIDE BRACKET CHAFED ON FORWARD CARGO DOOR SURROUND. REPAIRED IAW DHC-8 Q400 SRM 51-21-10 AND SRM 51-25-10.

Part: BRACKET — CHAFED (CARGO DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - FORWARD CARGO DOOR SURROUND, AFT CENTER CAM FOLLOWER GUIDE BRACKET IS CHAFED. REPAIRED IAW DHC-8 Q400 SRM 51-21-10 AND SRM 51-25-10.

Part: STOP FITTING — CHAFED (PAX DOOR) · airframe 3,591 hrs · 4,219 cycles

PDX - MAIN CABIN DOOR AFT SIDE STOP FITTING HAS CHAFE DAMAGE. REPAIRED IAW IPC 52-11-06, FIGURE 1, SHEET 1.

Part: RELAY — MALFUNCTIONED (T/E FLAP) · airframe 3,499 hrs · 4,106 cycles

PDX - DURING FLAP EXTENSION TO 15 DEGREES, THE FLAP POWER CAUTION LIGHT ILLUMINATED. FLAPS STOPPED MOVING AT 10 DEGREES. THE CREW PERFORMED THE CHECKLIST AND THE CONDITION REMAINED. THE LANDING WAS UNEVENTFUL. MAINTENANCE INSPECTED THE AIRCRAFT AND RESET THE LATCH RELAY IAW THE FAULT ISOLATION MANUAL 27-50-00-810-004. AN OPERATIONAL CHECK WAS PERFORMED AND CHECKED GOOD. NO PARTS WERE REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ANGLE — CRACKED (NR 1 NACELLE) · airframe 3,347 hrs · 3,933 cycles

PDX - NR 1 ENGINE LOWER NACELLE AFT CONE SUPPORT UPPER ANGLE CRACKED. REPAIRED IAW RD 8/4-71-016.

Part: SUPPORT — CRACKED (NR 1 NACELLE) · airframe 3,347 hrs · 3,933 cycles

PDX - NR 1 ENGINE LOWER NACELLE AFT CONE SUPPORT LOWER ANGLE CRACKED. REPAIRED IAW RD 8/4-71-016.

Part: ACTUATOR — FAILED (ZONE 400) · airframe 2,814 hrs · 3,268 cycles

BOI - AIRCRAFT RETURNED TO FIELD WHEN THE CREW NOTICED THE NUMBER 2 ENGINE OIL TEMP RISE TO 126 DEGREES CENTIGRADE. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NUMBER 2 ENGINE OIL COOLER AIR OUTLET FLAP ACTUATOR AND THE ENGINE COCKPIT INTERFACE UNIT. OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED (NR 2 ENGINE) · airframe 2,742 hrs · 3,176 cycles

PDX - NR 2 ENGINE FEATHERED (UNSCHEDULED) IN FLIGHT WHEN FLAPS SELECTED 35 DEGREES AT 1000 FT AGL ON FINAL APPROACH. CONTINUED LANDING UNEVENTFULLY. REPLACED NR 2 PEC NO HELP. FINAL FIX REPLACED PCU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — BURNED OUT (ZONE 100) · airframe 2,732 hrs · 3,167 cycles

PDX- EMERGENCY LIGHTS AT PASSENGER DOOR ARE OUT, ALSO, EGRESS LIGHTS IN CEILING AND FUSELAGE FOR PASSENGER DOOR ARE OUT. REMOVED AND REPLACED BATTERY PACKS AT PS1 LOCATION. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CHAFED (T/E FLAP) · airframe 2,543 hrs · 3,012 cycles

PDX- LEFT OUTBOARD FLAP UPPER SKIN HAS CHAFE DAMAGE BETWEEN WING STATIONS YW191.200-YW281.019. REPAIRED IAW RD 8-4-57-016 AND HORIZON AIR EA 6-57-17.

Part: SKIN — CHAFED (T/E FLAP) · airframe 2,346 hrs · 2,777 cycles

CKB - LEFT OUTBOARD FLAP UPPER SKIN HAS CHAFE DAMAGE BETWEEN WING STATIONS YW191.200 AND YW281.019. REPAIRED IAW HORIZON AIR EA 6-57-17 AND D-400 RD8/4-57-016.

Part: SKIN PANEL — NICKED (FUSELAGE) · airframe 2,543 hrs · 3,012 cycles

PDX- TWO NICKS IN SKIN PANEL AT STRINGER 2B STATION X25 AFT AT TOILET SERVICE DOOR. REPAIRED IAW DHC-84 SRM 51-25-05, PG 207, SRM 51-14-00 PG 213, AND SRM 51-21-10.

Part: SKIN — NICKED (FUSELAGE) · airframe 2,543 hrs · 3,012 cycles

PDX- NUMEROUS NICKS AT LOWER FORWARD CORNER OF AFT CARGO DOOR FROM STRINGER 14-22 AND STATION X715-X730. REPAIRED IAW DHC-84 SRM 51-25-05 PG 207, SRM 51-14-00 AND SRM 53-40-31.

Part: SUPPORT BRACKET — CRACKED (NR 2 COWLING) · airframe 2,398 hrs · 2,840 cycles

PDX - NR 2 ENGINE COWL, AFT CONE SUPPORT BRACKET CRACKED. REPAIRED BRACKET IAW RD 8-71-016.

Part: DRAIN LINE — LEAKING (HYD SYSTEM) · airframe 2,387 hrs · 2,823 cycles

BOI - AIRCRAFT MADE AN UNSCHEDULED LANDING WHEN THE NR 1 HYDRAULIC ISOLATION VALVE/ROLL SPOILER HYDRAULIC LIGHTS ILLUMINATED IN FLIGHT. NR 1 HYDRAULIC QUANTITY WAS OBSERVED AT 25 PERCENT AND FALLING. HYDRAULIC QUANTITY WAS NEAR 0 AT TOUCHDOWN. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NR 1 CASE DRAIN LINE AFT OF THE FIREWALL IAW -400 MAINTENANCE MANUAL 29-00-00. OPERATIONAL CHECK AND LEAK CHECK WERE GOOD. ROLL SPOILERS OPERATIONAL CHECK WAS NORMAL. NO FURTHER DISCREPANCIES NOTED. AIRCRAFT OK FOR CONTINUED SERVICE.

Part: HANDLE — OBSTRUCTED (EMERGENCY EXIT) · airframe 1,601 hrs · 1,908 cycles

PDX - AFT LEFT EMERGENCY EXIT DOOR WON'T OPEN FROM INSIDE. REMOVED EXCESS MATERIAL FROM FLAP COVER INTERFACING WITH EXTERIOR DOOR HANDLE. OPENED AND CLOSED DOOR FROM INSIDE AND OUTSIDE. OPERATIONAL CHECK IS GOOD.

Part: SKIN — DAMAGED (T/E FLAP) · airframe 1,456 hrs · 1,714 cycles

PDX - LEFT WING FLAP TRAILING EDGE LOWER SKIN HAS DAMAGE AT STATION YW207.00. REPAIRED DAMAGE IAW EA 6-57-07.

Part: DOOR — STUCK (MAIN PAX) · airframe 1,202 hrs · 1,446 cycles

HLN - AFT PASSENGER DOOR WILL NOT OPEN. REPAIRED AND APPLIED FAST WELD TO DOOR STOP IAW EA 6-52-71.