N425QX

Part: UNKNOWN — ODOR (CABIN) · airframe 22,361 hrs · 19,807 cycles

F/A SMELLED A "HOT" ODOR NEAR CDS PANEL IN FRONT OF CABIN. PERFORMED ECS PURGE IAW SL DH8-400-SL-012. NO CABIN CONTAMINATION FOUND. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: COUNTERBALANCE — LACK OF LUBE (PAX DOOR) · airframe 22,351 hrs · 19,800 cycles

MAIN CABIN DOOR IS DIFFICULT TO UNLATCH. REMOVED FWD GALLEY INSERT AND PERFORMED GVI MCD INTERNAL LATCHING MECHANISM. PERFORMED GVI OF MCD ITSELF, DOOR LOCK BLOCKS AND HANDLE ASSEMBLIES. FOUND COUNTERBALANCE CHAIN AND SPROCKET LUBRICATION LACKING. RELUBED CHAIN ASSY IAW MM 52-11-00-640-801. REINSTALLED FWD GALLEY INSERT AND COMPLIED WITH FUNCTIONAL CHECK OF AIRSTAIR DOOR IAW MM 52-11-00-720-802. FUNCTIONAL CHECK GOOD. RETURNED TO SERVICE, NO PARTS REPLACED.

Part: SKIN — CORRODED (FUSELAGE) · airframe 21,132 hrs · 18,545 cycles

ACCOMPLISH TC 6-34-147, TCAS ANTENNA DOUBLER INSPECTION, SELF LEVEL GREEN APPLICATION. FOUND MINOR SURFACE CORROSION ON FUSELAGE SKIN. REMOVED CORROSION AND COMPLETED REPAIR IAW RD 8/4-55-505.

Part: SHAFT — WORN (PAX DOOR HANDLE) · airframe 20,801 hrs · 18,186 cycles

F/A REPORTS THE MAIN CABIN DOOR HANDLE IS VERY DIFFICULT TO RAISE TO THE OPEN POSITION. REPLACED WORN DOOR HINGE SHAFT. DOOR OPS CHECKS GOOD IAW Q400 AMM 52-11-00-710-802.

Part: MECHANISM — LACK OF LUBE (PAX DOOR) · airframe 20,710 hrs · 18,096 cycles

MAIN CABIN DOOR WAS HARD TO OPEN. NOTICED THAT THE DOOR IS VERY SPRINGY. LUBED DOOR MECHANISM-NO FURTHER DEFECTS FOUND. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: OUTFLOW VALVE — MALFUNCTIONED (ZONE 200) · airframe 20,596 hrs · 17,970 cycles

ACFT WOULD NOT PRESSURIZE AFTER TAKEOFF. RETURNED TO FIELD. LANDING UNEVENTFUL. FERRIED FOR REPAIRS. R & R AFT OUTFLOW VALVE AS A PRECAUTIONARY MEASURE. FUNCTIONAL CHECK COMPLETE, OPS CHECK GOOD. RESERVOIR DRAIN LINES FOR CABIN DOOR SEAL PRESSURIZATION SYS. RETURNED TO SERVICE.

Part: PANEL — CRACKED (NACELLE) · airframe 20,501 hrs · 17,864 cycles

THREE CRACKS FOUND ON PANEL 422BL ABOVE AND BELOW THE 3RD FASTENER FROM THE BOTTOM. REPLACED PANEL 422BL.

Part: PSEU — MALFUNCTIONED (MLG) · airframe 4,310 hrs · 4,965 cycles

GEAR RETRACTED NORMALLY ALL LIGHTS WENT OUT 3-4 SEC LATER. LT MAIN GEAR UNSAFE LIGHT (RED) AND WHITE TRANSITION LIGHTS ILLUMINATED FOR 4-5 SEC. DOOR CAUTION LIGHTS DID NOT COME ON. ALTERNATE GEAR EXTENSION WAS PERFORMED. RETURNED TO THE FIELD LANDING UNEVENTFUL. FERRIED FOR REPAIRS. REPLACED PSEU AS PRECAUTIONARY MEASURE, REPLACED LOOSE RIVETS ON LT MLG AFT DOOR PROX SENSOR BRACKET, REPLACED ALT RELEASE CAM (BINDING), ADJUSTED LT, RT MLG AFT DOOR PROX SENSORS, OPS CHECKED GEAR- OPS CHECKED GOOD. RETURNED TO SERVICE.

Part: LINK — WORN (MLG) · airframe 20,102 hrs · 17,415 cycles

AFTER GEAR RETRACTION ALL LIGHTS ON GEAR HANDLE & ANNUNCIATOR WENT DARK (NORMAL) , THEN LT MAIN GEAR UNSAFE (RED) AND GEAR DISAGREEMENT (HANDLE) ILLUMINATED FOR 3 SEC THEN ALL INDICATIONS BACK TO NORMAL. ALTERNATE GEAR EXTENSION PERFORMED. LANDING UNEVENTFUL. CFR CALLED AS PRECAUTION. TOWED TO GATE. FERRIED FOR REPAIRS. REPLACED THE NLG DOOR (FWD) LINKAGE IAW AMM TASK 32-31-61-000-801 AND 32-31-61-400-801. OPS TEST OF THE PRIMARY EXT & RET SYS GOOD. NO DEFECTS NOTED, ALL LIGHTS NORMAL. RETURNED TO SERVICE.

Part: FLASHER — MALFUNCTIONED (EMERGENCY PA) · airframe 20,090 hrs · 17,405 cycles

F/A ADVISES DURING EMERGENCY PA TEST THE RED LIGHT AT THE MID CABIN DOES NOT ILLUMINATED. RELAMP IS NO HELP. PLACED ON MEL 23-30-1B. CLEARED BY REPLACING THE FLASHER UNIT IAW AMM TASK 33-24-00-000-803 AND TASK 33-24-00-400-803. PSU AND INFORMATION SIGNS CHECKS GOOD. CLEARS MEL. RETURNED TO SERVICE.

Part: DOWNLOCK SENSOR — MALFUNCTIONED (MLG) · airframe 20,077 hrs · 17,391 cycles

AFTER ROTATION WHEN GEAR WAS REQUESTED UP, CLIMBING OUT AND ACCELERATING TO 200 KTS AT AROUND 160 KTS GEAR HANDLE WAS ILLUMINATED WITH AMBER GEAR LIGHT ILLUMINATED, RED WARNING ILLUMINATED AT SAME AT SAME TIME FOR APROX 10 SEC. THEN OPERATED NORM. THEN HANDLE & RED ILLUMINATED MOMENTARILY FOR 5 SEC. BEFORE GOING BACK OUT. REPLACED MLG DOWNLOCK SENSOR IAW AMM 32-61-06-400-802. EXTENSION & RETRACTION OPS CKS GOOD IAW TASK 32-31-00-710-801. RETURNED TO SERVICE.

Part: HAND RAIL — LACK OF LUBE (PAX DOOR) · airframe 19,856 hrs · 17,179 cycles

MAIN CABIN DOOR IS HARD TO OPEN. CLEANED AND LUBED MCD HANDRAIL HINGE POINTS, DOOR OPS CK GOOD. OK FOR CONTINUED SERVICE. NO PARTS REPLACED.

Part: BALLAST — FAILED (GALLEY LIGHTS) · airframe 19,659 hrs · 16,972 cycles

F/A REPORTS BURNING ELECTRICAL SMELL IN GALLEY. PERFORMED GVI OF GALLEY LIGHTS, MAPCO, EMERGENCY LIGHTS. DETERMINED ODOR TO COMING FROM WORKLIGHT/GALLEY OVERHEAD LIGHT BALLAST ASSEMBLIES. REPLACED GALLEY OVERHEAD AND WORKLIGHT BALLAST ASSEMBLIES. OPS CHECK OF LIGHTS AND MAPCO'S GOOD. NO ODOR DETECTED. RETURNED TO SERVICE.

Part: ACTUATOR — FAILED (OIL COOLER DOOR) · airframe 19,492 hrs · 16,795 cycles

OIL TEMP ON NR 1 ENG AS HIGH AS 112 DEG ALL OTHER INDICATIONS NORMAL. RETURNED TO THE FIELD. LANDING UNEVENTFUL. DURING T/S FOUND OIL COOLER FLAP DOOR ACTUATOR FAILED, DOOR WOULD NOT OPEN. R & R OIL COOLER FLAP DOOR ACTUATOR IAW AMM TASK 79-21-31-000/400-801. OPS CKS GOOD. RETURNED TO SERVICE.

Part: FRAME — CORRODED (BS 547) · airframe 8,981 hrs · 9,447 cycles

C CHECK - FRAME AT X547.000 HAS CORROSION ON FWD SIDE AROUND SHOP HEAD OF RIVET AROUND LT STR 32. REMOVED CORROSION BY BLENDING IAW RD 8/4-53-2344. HFEC INSPECTED AT BLENDED AREA FOR CRACK IAW D8 Q400 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECKED AT BLENDED AREA IAW D8 Q400 NDTM PART 1, 51-00-04, LOW=.045". ORIGINAL THICKNESS IS .050" BLEND FOUND OUT OF LIMITS IAW RD 8/4-53-2344. REMOVED DAMAGED FLANGE IAW RD 8/4-53-017. HFEC IAW D8 Q400 NDTM PART 6, 51-00-01 AT CUTOUT, NO CRACKS NOTED.

Part: STRUCTURE — DELAMINATED (LT WING TE FLAP) · airframe 8,981 hrs · 9,447 cycles

C CHECK - LT OTBD FLAP, LOWER INBD CORNER IS DELAMINATED AT YW 191.20. REPAIRED IAW RD 8/4-57-1397.

Part: DOUBLER — CORRODED (FUSELAGE) · airframe 8,981 hrs · 9,447 cycles

C CHECK - NR2 COMM ANTENNA DOUBLER HAS EXTERNAL CORROSION. REMOVED CORROSION FROM OUTER SURFACE. UT THICKNESS CHECKED AFFECTED AREA IAW D8-400 NDTM PART 1, 51-00-04, HI=.071" LOW=.068". HFEC INSPECTED AFFECTED AREA FOR CRACKS IAW NDTM PART 6, 51-00-01, NO CRACKS NOTED. MAPPED FOR ENGINEERING. COMPLETED PERMANENT REPAIR IAW RD 8/4-53-3277.

Part: BEAM — GOUGED (FUSELAGE) · airframe 8,981 hrs · 9,447 cycles

C CHECK -AFT PAX DOOR BEAM PN 85217413 GOUGED AT CUTOUT FOR HANDLE TO LATCH TUBE. BLENDED GOUGE TO SMOOTH OUT DAMAGE. MAX MATERIAL REMOVED WAS APPROX .060" AT TOP OF GOUGE. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW NDTM PART 6, 51-00-01-250-801. NO CRACKS NOTED. ALODINED AND PRIMED AFFECTED AREA. MAPPED FOR ENGINEERING. APPLIED CORROSION INHIBITING COMPOUND IAW RD 8/4-52-578 GENERAL NOTE NR5 IAW AMM 51-25-01, ENSURED NO FOULING OF THE BEAM AND ROD ASSY EXIST IAW RD 8/4-52-578. BLENDED AREA FOUND TO REMAIN WITHIN LIMITS IAW RD 8/4-52-57 BASED ON DIMENSIONS NOTED ABOVE.

Part: ARM — CHAFED (DOOR ARM) · airframe 8,981 hrs · 9,447 cycles

C CHECK -THERE IS AN APPROX 6" CHAFED AREA ON THE BOTTOM OF THE MAIN HINGE ARM FOR THE AFT SERVICE DOOR. REMOVED CHAFE DAMAGE BY BLENDING IAW SRM 51-14-00-02-01. DIMENSIONS OF BLEND ARE AS FOLLOWS: LENGTH 1.20", WIDTH 0.38" AND DEPTH OF BLEND IS .004". BLENDED REMAINING CHAFE DAMAGE TO A SMOOTH CONTOUR TO REMOVE DAMAGE AND MAPPED AREA FOR ENGINEERING. HFEC IAW -8 NDTM PART 6, 51-00-01 AT BLENDED AREA, NO CRACKS NOTED. COMPLETED THE REPAIR ON THE BOTTOM OF MAIN HINGE ARM REF T/C RD 8/4-52-579 STEPS 3 AND 4.

Part: ANGLE — CORRODED (BS 783) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - FUSELAGE VERTICAL WEB AT FS X783 HAS CORROSION ON BOTTOM ANGLE ALONG AFT SIDE 11" LT OF C/L THROUGH 23" LT OF C/L. REMOVED (4) FASTENERS IN BOTTOM ANGLE FOR FOM. REMOVED PITTING CORROSION ON BOTTOM ANGLE WITH SCOTCHBRITE REF SRM 51-21-00. PERFORMED HFEC OF 2 BLENDED AREAS FOR CRACKS IAW NDTM PART 6, 51-00-01. NO CRACKS NOTED. PERFORMED UT THICKNESS ON EACH BLENDED AREA IAW NDTM PART 1 51-00-04, IB HIGH .050 LOW .039/ OTBD HIGH .050, LOW .044. MAPPED FOR ENGINEERING. REINSTALLED 2 HI LITES AND 2 RIVETS IN WEB ANGLE BRACKET IAW SRM 51-40-15 AND 51-42-05. COMPLIED WITH RD 8/4-53-3269.

Part: SKIN — CORRODED (FUSELAGE) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - CORROSION ON THE BOTTOM OF THE LAV SERVICE DOOR CUTOUT ON THE LOWER FWD FUSELAGE. DRILLED OUT FASTENERS AND REMOVED SERVICE PORT INTERNAL DOUBLER IAW RD 8/4-53-347. PERFORMED HFEC OF REMAINING MATERIAL FOR CRACKS IAW NDTM PART 6 51-00-01 REF RD 8/4-53-347 SECTION 1, SHEET 9, STEP 2 NO CRACKS NOTED. FABRICATED BACKING PLATE AND REPAIR PACKER IAW RD 8/4-53-347 SHEET 5, SECTION A-A. COUNTERSUNK REPAIR PACKER AND ALODINED AND PRIMED REPAIR PACKER IAW RD 8/4-53-347. INSTALLED DOUBLER AND PACKER IAW RD 8/4-53-347.

Part: SKIN — CHAFED (RT WING TE FLAP) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - RT WING INBD FLAP UPPER SURFACE CHAFED APPROX 6 INCHES OTBD OF INBD EDGE AND 18.5 INCHES UP FROM T/E. REPAIRED DAMAGE IAW SRM 57-51-30-02-01. BLEND MEASURED .45" LONG .38" WIDE, MAX DEPTH .004". ORIGINAL THICKNESS IS .057", BLEND WITHIN LIMITS IAW SRM 57-51-30-01-01. PERFORMED HFEC OF BLENDED AREA FOR CRACKS IAW NDTM PART 6 51-00-01 NO CRACKS NOTED. ALODINE, PRIME AND PAINTED WORKED AREA IAW SRM 51-25-15.

Part: ANGLE — CORRODED (BS 783) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - FUSELAGE VERTICAL WEB AT FS X783 CARGO FLOOR UPPER DECK TOP ANGLE FWD SIDE HAS 2 AREAS OF CORROSION, 4" LT OF A/C C/L AND 12" LT OF A/C C/L. REMOVED LIGHT PITTING CORROSION WITH SCOTCHBRITE REF SRM 51-21-00. PERFORMED HFEC OF WORKED AREAS FOR CRACKS IAW NDTM PART 6 51-00-01 NO CRACKS NOTED. PERFORMED UT THICKNESS ON EACH BLENDED AREA IAW NDTM PART 1 51-00-04. IB HIGH .050 LOW .047, O/B HIGH .050 LOW .046. BLEND FOUND TO BE WITHIN LIMITS REF SRM 51-14-00. ALODINE AND PRIMED WORK AREA IAW SRM 51-25-10.

Part: FRAME — CORRODED (BS 683 S33L) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - FRAME AT X683.450 IS CORRODED ON FWD FACE AROUND LT STR 33. REMOVED CORROSION BY BLENDING IAW RD 8/4-53-2344. GENERAL NOTES 1,2 AND ALODINED IAW STEP 4. HFEC INSPECTED AT BLENDED AREA FOR CRACK IAW NDTM PART 6 51-00-01 NO CRACKS NOTED. UT THICKNESS CHECKED AT BLENDED AREA IAW NDTM PART 1, 51-00-04 AND FOUND LOW READING .038". ORIGINAL THICKNESS WAS .040" MAX DEPTH OF BLEND IS .002", BLEND IS WITHIN LIMITS IAW RD8/4-53-2344. PRIMED, PAINTED AND LPS HARDCOATED IAW RD8/4-53-2344.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 8,981 hrs · 9,447 cycles

C-CHECK - LEFT INBD SEAT TRACK NR 8 AT APPROX X635 HAS CORROSION ON INSIDE OF CLAW. BLENDED CORROSION ON INSIDE OF CLAW ON NR 8 SEAT TRACK. MAX MATERIAL REMOVED IS .025". BLEND IS WITHIN LIMITS OF RD 8/4-53-884. ALODINED REPAIR AREA. HFEC IAW NDTM PART 6 51-00-01. NO CRACKS NOTED.

Part: DOOR — BINDING (MAIN PAX) · airframe 19,295 hrs · 16,578 cycles

MCD INTERIOR LEVEL HARD TO OPERATE OPENING & CLOSING DOOR. LUBED FWD PASSENGER DOOR INTERIOR LEVEL. PERFORMED OPS TEST OF THE FWD PASSENGER DOOR IAW AMM TASK 52-11-00-710-802, OPS CHECK GOOD. PERFORMED GVI OF FWD PASSENGER DOOR, NO DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: UNKNOWN — ODOR (CABIN) · airframe 19,267 hrs · 16,547 cycles

STRONG EXHAUST SMELL WHEN BLEEDS ARE SELECTED ON. TROUBLESHOT EXHAUST SMELL TO NR1 ENGINE THROUGH INDIVIDUAL SELECTION OF BLEEDS ON EACH ENGINE. C/W PURGE OF AIR CONDITIONING DUCTS IAW DH8-400-SL-21-012A EXHAUST SMELL STILL EXISTS HOWEVER NOT AS STRONG. SUSPECT STICKY HPSOV VALVE, R & R AS PRECAUTIONARY MEASURE IAW AMM TASK NR 36-11-09-000-801/400-801. PERFORMED PURGE OF AIR CONDITIONING DUCTS IAW DH8-400-SL-21-012A ALSO INSPECTED BLEED AIR DUCTS TO P2.2 AND P2.7 VALVES WITH NO DEFECTS. ODOR NO LONGER PRESENT. ACFT OK FOR CONTINUED SERVICE. RECIRC FAN FILTER CHECKED WITH NO SMELLS OR DEFECTS NOTED. RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (PTU CONTROL) · airframe 19,090 hrs · 16,360 cycles

PTU CONTROL "ON" GREEN LIGHT WILL NOT GO OUT WITH SWITCH PUSHED OUT. MECHANIC THAT TAXIED ACFT FROM GATE SAID AFTER SHUTTING DOWN NR 2 ENGINE, PTU "ON" LIGHT STAYED ON AND NR 2 HYD SYS REMAINED PRESSURIZED, LIGHT EXTINGUISHED AND ALL HYD WENT TO "0" PSI. PTU FUNCTION TESTED GOOD IAW MM TASK NR 29-11-61-720-801, TR 29-115 AFTER RE-POWERING ACFT. CHECKED PTU SELECT SWITCH FOR CORRECT OPERATION USING DIGITAL VOM AND MEGAOHMETER. NO DEFECTS FOUND. CHECKED WIRES BETWEEN PTU PRESSURE SWITCH AND PTU SELECT SWITCH FOR SHORTS TO GROUND USING MEGAOHMETER. CHECKED WIRES BETWEEN PTU SELECT SWITCH AND PTU SELECT VALVE FOR SHORTS TO GROUND USING MEGAOHMETER. CHECKED OPERATION OF RELAYS 2921-2K1 AND 2921-3K3 NUMEROUS TIMES. NO DEFECTS FOUND. CHECKED WIRE BETWEEN RJB3 AND FLAP CONTROL UNIT USING MEGAOHMETER. NO FAULTS FOUND. REPLACED CONNECTOR 2921 P4. COMPLIED WITH OPERATIONAL / FUNCTIONAL TEST OF PTU IAW AMM TASK NR 29-11-61-720-801, TR NR 29-115. BOTH ON-GROUND AND IN AIR TESTS GOOD. RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — OUT OF RIG (LT MLG DOOR) · airframe 19,061 hrs · 16,319 cycles

LT MAIN GEAR CAUTION AND WARNING (AMBER AND RED) LIGHTS CYCLED ON AND OFF 3 TIMES ON GEAR RETRACTION, BEFORE THE GEAR LIGHT PANEL WENT TO ITS NORMAL DARK CONFIGURATION. IAW PROCEDURE, GEAR WAS EXTENDED USING THE ALTERNATE GEAR EXTENSION CHECKLIST. LANDING UNEVENTFUL. FERRIED FOR REPAIRS. PEFORMED CHECK OF THE LT MLG PROXIMITY SENSORS, FOUND "LT GEAR DOOR CLOSED" SENSOR OUT OF LIMITS, IAW AMM TASK 32-61-00-280-801, RIGGED LT GEAR DOOR CLOSED SENSOR IAW AMM TASK 32-61-06-830-801. OPS TEST LANDING GEAR PRIMARY EXTENSION & RETRACTION SYS TASK 32-31-00-710-801, OPS TEST GOOD. RETURNED TO SERVICE.

Part: TRANSDUCER — FAILED (WHEEL SPEED) · airframe 18,723 hrs · 15,935 cycles

SEA- ANTI-SKID IS PULSING BELOW 60KTS WITH NORMAL BRAKING. PASSENGER SAID RIGHT OUTBOARD TIRE HAD SPARKS COMING FROM IT AND WASN'T MOVING. ON POST FLIGHT FOUND RIGHT GEAR SMOKING. AT NO TIME WAS EXCESSIVE BRAKING USED. REMOVED AND REPLACED NR 4 MAIN BRAKE ASSY IAW MTX 6324201 (BRAKE WORN TO LIMITS). FOUND NR 4 WHEEL SPEED TRANSDUCER DAMAGED. REMOVED AND REPLACED NR 4 WHEEL SPD TRANSDUCER IAW AMM TASKS 32-46-11-000-801 AND 400-801. PERFORMED FUNCTIONAL TEST IAW TASK 32-46-00-720-802. FUNCTIONAL TEST OKAY. RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (BLEED OVERTEMP) · airframe 18,709 hrs · 15,920 cycles

SEA - AFTER TAKEOFF NR 1 BLEED HOT AND NR 2 BLEED HOT ILLUMINATED SIMULTANEOUSLY. BOTH LIGHTS EXTINGUISHED AFTER BLEED SWITCHES CYCLED PER EMERGENCY/ABNORMAL CHECKLIST. RETURNED TO FIELD. LANDING UNEVENTFUL. INTERROGATED CDS, FOUND CODES 7005, 7001 ON BOTH ENG. REMOVED AND REPLACED BLEED OVERTEMP SWITCH AND NACELLE DUCT-LEAK OVERTEMP SWITCH ON BOTH NR 1 AND NR 2 ENG IAW AMM TASKS 36-11-21-000-801, 36-11-21-400-801, 36-11-16-000-801, 36-11-16-400-801. APPLIED HEAT SHRINK AS REQ. ALSO REMOVED AND REPLACED HPSOV VALVE ON NR 1 ENG IAW AMM TASKS 36-11-09-000-801, 36-11-09-400-801. GROUND RAN BOTH ENGINES ASSOCIATED CAUTION LIGHTS DID NOT RETURN, NO FAULTS IN CDS. OPS CHECK GOOD. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: HINGE — LACK OF LUBE (COCKPIT DOOR) · airframe 18,587 hrs · 15,756 cycles

FLIGHT DECK DOOR IS HARD TO OPEN AND CLOSE. CLEANED AND LUBED DOOR HINGE AS REQUIRED. ADJUSTED TO DOOR TO THE LAVATORY (HINGE). FLIGHT DECK DOOR NOW OPENS AND CLOSES WITH NO BINDING. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: DOOR — MALFUNCTIONED (ZONE 700) · airframe 18,346 hrs · 15,460 cycles

NUMBER 3 MLG TIRE ASSY HANGING UP ON THE LT AFT MLG DOOR DURING ALTERNATE EXTENSION CHECKS. REPLACED THE NR 3 TIRE ASSY AND THE NR 2 NACELLE AFT GEAR DOOR. OPS CHECK OF THE ALTERNATE EXTENSION SYS CHECKS GOOD.

Part: ENGINE — OVERSERVICED · airframe 18,218 hrs · 15,323 cycles

STRONG EXHAUST ODOR CONCENTRATED AROUND OBSERVER'S SEAT, DURING FLIGHT AND PARKED WITH ENGINES SHUTDOWN. GROUND RAN ACFT WITH NR 1 AND 2 ENG, BLEEDS ON. FOUND TO BE OIL ODOR FROM MAIN ENGINES. CHECKED OIL LEVEL OF NR 1 AND 2 ENG, FOUND LEVEL TO BE ABOVE "MAX HOT". DESERVICED ENGINE OIL FROM BOTH ENGINES AND GROUND RAN ACFT WITH BOTH ENGINES BLEEDS ON AT MAX FLOW. NO ODOR FOUND. RECHECKED ENGINE OIL LEVELS, FOUND LEVELS TO BE BELOW "MAX HOT". RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CONTROL PANEL — MALFUNCTIONED (MLG) · airframe 18,153 hrs · 15,243 cycles

LAX- NOSE WHEEL DID NOT RETRACT ON T.O LAX ALTERNATE GEAR EXTENSION CHECKLIST RUN & ALL OTHER SYSTEMS NORMAL. MAX GEAR SPEED NOT EXCEEDED.RETURNED TO FIELD ACCOMPLISHED A UNEVENTFUL LANDING. FERRIED FOR REPAIRS. INTERROGATED THE PSEU, CONFIRMED THAT WITH THE MLG HANDLE UP-NGDN1 & NGDN2 READ FAR, AS REQUIRED WITH HANDLE POSITION. FOUND THE LANDING GEAR SELECTOR PANEL NOSE GEAR GREEN LIGHT TO BE ON WITH THE HANDLE POSITION IN THE UP OR DOWN POSITION. R & R'D THE LANDING PANEL IAW AMM TASK 32-31-01-000-801 AND 32-31-01-400-801 NO DEFECTS NOTED, OK FOR CONTINUED SERVICE C/W OPS TEST OF LANDING GEAR PRIMARY EXTENSION AND RETRACTION GOOD IAW AMM TASK 32-31-000-710-801. RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (ZONE 200) · airframe 18,036 hrs · 15,110 cycles

GEG- PTU SWITCH LIGHT REMAINED "ON" WITH THE SWITCH IN THE OFF (OUT) POSITION DURING THE AFTER TAKEOFF CHECKLIST. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. REMOVED & REPLACED PTU SWITCH IAW AMM 29-00-01 PGS 412-417. OPS CK GOOD. RETURNED TO SERVICE.

Part: TRANSCEIVER — MALFUNCTIONED (NR 1 COMM) · airframe 18,000 hrs · 15,067 cycles

PDX - TRANSMITTING ON COMM 1 FROM BOTH ARCDU'S 120.4 THERE WAS BLEED OVER ON COMM 2 132.000. DIVERTED TO PDX, LANDING UNEVENTFUL. REMOVED AND REPLACED NR 1 COMM TRANSCEIVER IAW DASH 8 (400) AMM 23-11-01-000-801. PERFORMED NR 1 & 2 COMM TRANSCEIVER OPS TEST IAW DASH 8 (400) 23-11-00-710-801, OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 17,504 hrs · 14,443 cycles

SEA- F/A REPORTS STRONG "BURNING PAPER" ODOR MID CABIN TO AFT CABIN. SMOKE ODOR DID NOT DISSIPATE AFTER BLEEDS WERE TURNED OFF. PERFORMED OPERATIONAL TEST OF THE BLEED AIR SYSTEM REF AMM TASK NR 36-11-00-710-802. OPS TEST GOOD, NO INDICATION OF SMOKE OR ODOR WITH A/C AT RATED POWER NO INDICATION OF SMOKE OR ODOR. NO FURTHER DEFECTS, AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: GOVERNOR — MALFUNCTIONED (PROPELLER) · airframe 16,304 hrs · 13,055 cycles

FCA- NR 1 PROPELLER WILL NOT COME OUT OF FEATHER ON ENGINE START. REPLACED NR 1 OVERSPEED GOVERNOR PER Q400 MM 61-20-26-000-801 + 61-20-26-400-801. TESTS GOOD. RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — MALFUNCTIONED (MLG) · airframe 15,877 hrs · 12,557 cycles

SEA FLIGHT 2387 YYJ-SEA. ENROUTE RECEIVED A LG INDICATION MALFUNCTION. PERFORMED A ALTERNATE GEAR EXTENSION AND UNEVENTFUL LANDING. REPLACED THE PROX SENSOR. CHECKS GOOD. RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (COCKPIT) · airframe 15,738 hrs · 12,380 cycles

SEA FLIGHT 2344 (SUN-SEA). ON APPROACH TO SEATTLE, RECEIVED A GEAR INDICATION ON GEAR EXTENSION. PERFORMED MISSED APPROACH. GEAR EXTENDED NORMALLY. LANDED WITHOUT INCIDENT. MX REPLACED THE LAMP. CHECKS GOOD. RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 15,459 hrs · 12,086 cycles

PDX - FLIGHT 2388. BAGGAGE AIR SMOKE TEST VALVE INLET LIGHT INTERMITTENTLY CAME ON DURING TEST. (TEST 1 AND 2 POSITION). VALVE OUTLET DID NOT RESPOND AT ALL. BOTH LAMPS TEST OK. MAINTENANCE CLEANED THE INLET AND OUTLET SCREENS. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED. (A)

Part: ENGINE — SHUTDOWN (NR 1) · airframe 15,388 hrs · 12,009 cycles

PDX - ON CLIMBOUT AT ABOUT 3,500FT RECEIVED A NR 1 OIL PRESSURE LIGHT FOLLOWED BY A DROP IN ENGINE TORQUE. SHUTDOWN ENGINE AND ACCOMPLISHED FAILURE CHECKLIST. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE NR 1 ENGINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (A)

Part: HINGE — OUT OF ADJUST (COCKPIT) · airframe 15,081 hrs · 11,679 cycles

SEA - COCKPIT DOOR VERY HARD TO OPEN OR CLOSE (BINDS). MAINTENANCE ADJUSTED THE HINGES. DOOR OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CONTROL PANEL — MALFUNCTIONED (MLG) · airframe 15,052 hrs · 11,649 cycles

GTF - FERRY FLIGHT 9800 - AFTER TAKEOFF FOR FERRY FLIGHT GEAR DID NOT RETRACT. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE LANDING GEAR CONTROL PANEL AND THE PSCU (PN 30145-0301, SN 0172). AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAILED (CARGO BAY) · airframe 15,051 hrs · 11,648 cycles

SEA - FLIGHT 2392 - DURING PILOT DAILY CHECK, DISCOVERED NR 1 AFT BAGGAGE SMOKE DETECTOR FAILED. MAINTENANCE PLACED ON MEL 26-10-2A. AIRCRAFT RETURNED TO SERVICE.

Part: SERVO — MALFUNCTIONED (AUTOPILOT) · airframe 15,023 hrs · 11,616 cycles

PDX - FLIGHT 2332 - AFTER TAKEOFF WITH THE GEAR UP AND THE FLAPS AT ZERO ON FLAP RETRACT (STILL MOVING), THE FIRST OFFICER WAS UNABLE TO TURN THE AIRCRAFT TO THE LEFT FOR ABOUT 4-5 SECONDS. AFTER THE FLAPS WERE FULL UP CONTROL WAS RETURNED. ON LANDING IN PDX, FLAPS 5 DEGREES, NO PROBLEMS. AS THE LANDING GEAR WAS LOWERED, CONTROLS LOCKED AGAIN FOR 10-15 SECONDS. AFTER GEAR WAS FULLY DOWN, CONTROL RETURNED. IN BOTH CASES THE AUTOPILOT WAS OFF. MAINTENANCE REPLACED THE AUTOPILOT ROLL SERVO AND CAPSTAN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK. LEFT OUTBOARD FLOOR SUPPORT HAS LIGHT CORROSION AROUND NUTPLATE HOLES X-9. REMOVED CORROSION. .003 INCH REMOVED WITHIN LIMITS. PRIMED AND TREATED AREA AND INSTALLED NUTPLATES.

Part: SILL — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, FLANGE UNDER MAIN CABIN DOOR SILL IS CORRODED AROUND NUT PLATES. REMOVED NUTPLATES AND BLENDED DAMAGE. WITHIN LIMITS. HFEC AREA AND NO CRACKS FOUND. ALODINED AND PRIMED AREA. RE-INSTALLED NUT PLATES.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK- SEAT TRACK 9 IS CORRODED AT X174. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (BS 114-140) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK- NR 12 SEAT TRACK IS CORRODED ON THE OUTBOARD FLANGE AT STATIONS 114-140. BLENDED CORROSION AND HFEC NO CRACKS FOUND. ACID ETCH AND ALODINED.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, SEAT TRACK NR 1 IS CORRODED AT X20.5, X38 AND X70.5. FOUND TO BE OUTSIDE LIMITS AFTER BLENDING. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (BS 724-729) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK - LT CENTER NR 9 SEAT TRACK AT STATION 724-729 HAS MULTIPLE PLACES OF CORROSION AND PITTING. REPLACED THE NR 9 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, SEAT TRACK NR 5 IS CORRODED AT X30 AND X70. BLENDED CORROSION AND FOUND TO BE WITHIN LIMITS, HFEC FOUND NO CRACKS, ALODINE AND PRIMED AREA IAW RD 8/4-53-884.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK- NUTPLATE AND MATING SURFACE CORRODED AT LOWER ANGLE OF CARGO PIT STEP STA X 783. REPLACED ANGLE AT STATION X 783.

Part: DOOR FRAME — CHAFED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, FRAME AT X1 FORWARD MAIN CABIN DOOR FRAME IS CHAFED INBOARD OF STRINGER 32L. BLENDED OUT AREA .020 INCH REMOVED, WITHIN LIMITS. ALODINED AREA, HFEC FOR CRACKS, NONE FOUND.

Part: STRUCTURE — CORRODED · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, NUTPLATE AND MATING SURFACE AREA ARE CORRODED AT STATION X763. DRILLED OUT RIVETS HOLDING NUTPLATE DOUBLER AND DRILLED NUTPLATE OFF. BLENDED CORROSION IAW SRM 51-21-00. .010 INCH REMOVED, WITHIN LIMITS. ALODINED AND PRIMED AREA AND RE-INSTALLED.

Part: SUPPORT — CRACKED · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, RT FINGERNAIL DECK LOWER AFT SUPPORT IS CRACKED AT ALL 4 BOLT HOLES. FABRICATED NEW SUPPORT CHANNEL FROM 2024T3 .032 INCH REFERENCE Q400 SRM 54-35-20 REPAIR 2. INSTALLED.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK - RT ELEVATOR CONTROL QUADRANT HAS CORROSION AT LOWER FLANGE INTERCOSTAL X -57 TO X -59.5 STRINGER 28R. REMOVED RIVETS TO AID IN CORROSION REMOVAL. REMOVED CORROSION BY HAND. MATERIAL REMOVED .004 INCH. WITHIN LIMITS OF SRM. INSTALLED RIVETS, PRIMED AND PAINTED AREA.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, SEAT TRACK NR 1 IS CORRODED AT X170, X155, X132 AND X119. BLENDED AND POLISHED CORRODED AREAS. AMOUNT REMOVED WAS 0.013 INCH AND FOUND TO BE WITHIN LIMITS IAW RD 8/4-53-884. HFEC FOUND NO CRACKS AND ALODINED AREA.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX- C4 CHECK- CORROSION AROUND SCREW HOLE AT STATION 783 (LOWER ANGLE FOR CARGO PIT STEP). BLENDED CORROSION AROUND SCREW HOLE IAW SRM 51-21-00. OUT OF LIMITS. INSTALLED NEW SHEAR WEB SUPPORT ANGLE.

Part: SEAT TRACK — CORRODED (BS 706-712) · airframe 15,020 hrs · 11,612 cycles

PDX- C4 CHECK - LT CENTER SEAT TRACK NR 9 AT STATION 706-712 HAS CORROSION PITTING ON THE INSIDE SURFACE IN MULTIPLE PLACES. REPLACED THE SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,020 hrs · 11,612 cycles

PDX - C4 CHECK, SEAT TRACK NR 2 IS CORRODED AT X279, X292, X326, X373, X558, AND X540. BLENDED AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 14,599 hrs · 11,158 cycles

SEA - FLIGHT 2228 - LAV SMOKE DETECTOR SOUNDS INTERMITTENTLY WITH NO SIGN OF SMOKE. PDX MAINTENANCE REMOVED AND REPLACED SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — UNKNOWN · airframe 14,467 hrs · 11,025 cycles

PSC - AFT PASSENGER DOOR WILL NOT CLOSE. PSC MAINTENANCE COMPLIED WITH DH8-400 SL 52-003A. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: LEAD — BROKEN (PROP DE-ICE) · airframe 14,439 hrs · 10,989 cycles

SEA - FLIGHT 2275 - RECEIVED A PROP DE-ICE CAUTION LIGHT FOR THE RIGHT SIDE. DIVERTED TO PDX AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE FOUND A BROKEN LEAD AT THE NR 2 BLADE ON THE RIGHT PROP. REPLACED LEAD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — CONTAMINATED (LAVATORY) · airframe 14,298 hrs · 10,850 cycles

SEA - FLIGHT 2284 - LAVATORY SMOKE DETECTOR WENT OFF 6 TIMES. MAINTENANCE REMOVED DUST FROM THE SMOKE DETECTOR WITH A LIGHT BLAST OF NITROGEN. PERFORMED OPERATIONAL TEST WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CONNECTOR — DISCONNECTED (EMERGENCY LIGHTS) · airframe 14,043 hrs · 10,611 cycles

FLIGHT 2463. FLIGHT ATTENDANT CANNOT ARM THE THE EMERGENCY LIGHTS OR TEST THEM IN THE CABIN. THE F/O CANNOT ARM OR TEST THEM EITHER. THE EMERGENCY LIGHTS DISARM CAUTION LIGHT ALSO FAILS TO ILLUMINATE WITH THE EMERGENCY LIGHTS SWITCH (IN THE COCKPIT) IN EITHER POSTION. MAINTENANCE FOUND THE CONNECTOR PLUG 3351 P2 DISCONNECTED OB OF THE GALLEY CLOSET. CONNECTED THE PLUG. EMERGENCY LIGHTS SYSTEM CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: PRESSURE SYSTEM — MALFUNCTIONED (CABIN PRESSURE) · airframe 14,025 hrs · 10,593 cycles

FLIGHT 2339. ON TAKEOFF ROLL PRESSURIZATION FAULT RECEIVED. SWITCHED TO MANUAL MODE IAW THE CHECKLIST. MAINTENANCE PLACED THE AUTO PRESSURIZATION SYSTEM ON MEL 21-30-5B. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — MALFUNCTIONED (MLG) · airframe 13,842 hrs · 10,392 cycles

PDX - ON FLIGHT 2431, RETURNED TO GATE, DURING TAKEOFF UPON GEAR RETRACTION, THE RIGHT GEAR DOOR AMBER LIGHT REMAINED ILLUMINATED. THE AMBER LIGHT EXTINGUISHED ON ITS OWN. NORMAL GEAR EXTENSION AND LANDING IN PDX. MAINTENANCE REMOVED AND REPLACED UPLOCK ASSY, UPLOCK PROX SENSORS, MLG DOOR ACTUATOR, MLG AFT DOOR MECHANICAL SEQUENCE VALVE, SOLENOID VALVE, INLINE RESTRICTORS. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — MALFUNCTIONED (MLG DOOR) · airframe 13,834 hrs · 10,382 cycles

MSO FLIGHT NR 2397: UPON TAKEOFF AND LANDING, GEAR RETRACTION RIGHT MAIN GEAR DOOR REMAINED OPENED WITH RIGHT GEAR DOOR UNSAFE INDICATION. FLIGHT CONTINUED TO SEA. MAINTENANCE REMOVED AND REPLACED THE RT MLG DOOR ACTUATOR AND RT MLG SOLENOID SEQUENCE VALVE (P/N 48302-3, S/N FAH0151). INSPECTED WIRING BETWEEN PSEU AND SOLENOID VALVE AND FLUSHING, RESERVICED AND BLED RT MLG HYDRAULIC SYSTEM. ACCOMPLISHED 25 LANDING GEAR EXTENSION, RETRACTION CYCLES IAW DHC-8-400 AMM TASK 32-31-00-710-801 AND 5 ALTERNATE CYCLES IAW TASK 32-34-00-710-801. ALL CHECKS ARE GOOD. NO DEFECTS NOTED. OPS CHECK FLIGHT WAS SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (MLG) · airframe 12,822 hrs · 10,369 cycles

SEA - ON FLIGHT 2488, RIGHT MAIN LANDING GEAR DOOR REMAINED OPEN AFTER GEAR RETRACTION. CREW RAN THROUGH LANDING GEAR DOOR MALFUNCTION CHECKLIST THEN RETURNED TO FIELD. MAINTENANCE INTERROGATED PSEU AND FOUND PRESENT FAULTS. PRESSURIZED NR 2 HYDRAULIC SYSTEM. ALL GEAR DOORS CLOSED AND ALL PRESENT FAULTS WENT AWAY. OPERATION CHECKS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 13,822 hrs · 10,369 cycles

SEA - ON FLIGHT 2295, RECEIVED POWERPLANT WARNING MESSAGE. CREW RETURNED AIRCRAFT TO GATE. MAINTENANCE INTERROGATED CDS AND FOUND FAULT CODE 130. CLEARED FAULT CODES. OPERATION CHECKS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LANDING GEAR — MALFUNCTIONED · airframe 13,758 hrs · 10,302 cycles

SEA FLIGHT NR 2319: AFTER TAKEOFF IN YEG, SELECTED GEAR UP. ALL 3 GEAR DOOR LIGHTS ILLUMINATED AND ALL 3 GEAR UP SAFE LIGHT ILLUMINATED. THE 3 GREEN GEAR DOWN LOCKED LIGHTS EXTINGUISHED. GEAR STAYED IN THIS CONFIGURATION FOR APPROX 10 SECONDS. THEN LANDING GEAR INOP AND MASTER CAUTION ILLUMINATED FOR 10 SECONDS THEN EXTINGUISHED. GEAR THEN SEEMED TO GO UP NORMALLY. MAINTENANCE FOUND THE PSEU SHOWS FAULT RGDRCL UNREASONABLE FAR. RIGGED RIGHT MAIN GEAR AFT DOORS IAW DHC-8-400 MM TASK 32-12-01-830-801. CLEARED FAULTS FROM PSEU. LANDING GEAR PRIMARY EXTENSION AND RETRACTION SYSTEM OPS CHECK GOOD 12 TIMES IAW DHC-8-400 MM TASK 32-31-00-710-801. ALL GEAR INDICATIONS NORMAL DURING OPS TESTS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL PANEL — FALSE INDICATION (MLG) · airframe 13,757 hrs · 10,301 cycles

PDX FLIGHT NR 2229: AFTER TAKEOFF FROM SEA, RIGHT MAIN GEAR DOOR CAUTION LIGHT ILLUMINATED. STAYED ON ALL THE WAY TO PDX. DID NOT EXCEED 185 KTS. PERFORMED ALTERNATE GEAR EXTENSION. MAINTENANCE C/W OPERATIONAL TEST OF PRIMARY EXTENSION AND RETRACTION SYSTEM IAW Q400 AMM TASK 32-31-00-710-801. ALL GEAR DOORS OPERATED NORMALLY AND ALL LANDING GEAR INDICATIONS WERE NORMAL. INTERROGATED PSEU AND FOUND FAULT 'DIN01A UNREASONABLE FALSE'. REMOVED AND REPLACED LANDING GEAR SELECTOR PANEL. FUNCTIONAL CHECK OF PANEL WAS GOOD. NO DEFECTS NOTED AFTER NUMEROUS CYCLES OF LANDING GEAR EXTENSION RETRACTION. OPS CHECK FLIGHT PERFORMED. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE HARNESS — DAMAGED (MLG) · airframe 13,756 hrs · 10,300 cycles

RDD FLIGHT: AFTER SELECTING GEAR UP AFTER TAKEOFF, ALL GEAR LIGHTS EXTINGUISHED EXCEPT FOR THE 'R-DOOR' AMBER LIGHT. FOLLOWED EMERGENCY CHECK LIST STAYING UNDER 185 KTIAS. PERFORMED ALTERNATE GEAR EXTENSION FOR EMERGENCY CHECK LIST FOR SUBSEQUENT LANDING. MAINTENANCE, AFTER TROUBLESHOOTING, REMOVED AND REPLACED RGUPLK, RGDLK, AND RGDLK2 PROXIMITY SENSORS PER Q400 AMM TASKS 32-61-06-000-802 AND 32-61-06-400-802. FUNCTIONAL TEST WAS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (TE FLAPS) · airframe 13,710 hrs · 10,256 cycles

SEA FLIGHT NR 2431 - FLAP POWER CAUTION LIGHT. TROUBLESHOT FLAP POWER CAUTION REF FIM 27-50-00. CLEARED FLAP NVM. PERFORMED OPERATIONAL TEST OF WING FLAPS IAW Q400 AMM TASK 27-50-00-710-801. NO REOCCURRENCE OF FAULT. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (MLG) · airframe 13,689 hrs · 10,235 cycles

PDX - MAIN LANDING GEAR DOOR REMAINED OPEN AFTER GEAR RETRACTION AND ON APPROACH TO PDX. MAIN LANDING GEAR DID NOT EXTEND ON RETRACTION. PERFORMED ALT EXT AND ALL GEAR INDICATED GREEN PRIMARY AND ALT INDICATION. THIS SDR IS LEFT OPEN DUE TO NO PAPERWORK AS OF 9/11/07.

Part: LINK — DAMAGED (MLG) · airframe 13,631 hrs · 10,179 cycles

SJC FLIGHT NR 2406: CLIMBING THROUGH 6000 FT, BOTH LEFT AND RIGHT MAIN GEAR DOORS CYCLED. RIGHT GEAR DOOR LIGHT REMAINED ILLUMINATED APPROX 5 SECONDS IAS <200 KTS. DOOR LIGHT EXTINGUISHED AND GEAR AND DOORS UP AND LOCKED IN DESCENT. LEFT AND RIGHT DOORS CYCLED AGAIN. MAINTENANCE REMOVED AND INSTALLED LT MLG DOOR MECHANISM LOCK LINK IAW -8 400 AMM 32-31-31. ALSO RIGGED PROX SENSOR TO LT MLG RETRACT MECHANISM IAW -8 400 TASK 32-61-06-830-801. ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HANDLE — UNSECURE (CARGO DOOR) · airframe 13,617 hrs · 10,166 cycles

SEA TO BZN FLIGHT NR 2478: FUSELAGE DOORS MASTER CAUTION WARNING IN FLIGHT, DOOR PAGE SHOWED BAG DOOR UNSAFE. FLIGHT WAS DIVERTED TO GEG. MAINTENANCE INSPECTED AND FOUND AFT BAGGAGE DOOR HANDLE IN UNLOCKED POSITION. C/W H/S NR 05-0001. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SELECTOR VALVE — MALFUNCTIONED (MLG) · airframe 13,374 hrs · 9,917 cycles

SEA FLIGHT NR 2382: AFTER TAKEOFF, RIGHT GEAR DOOR LIGHT REMAINED ON. PER CHECKLIST, LOWERED GEAR. RIGHT MAIN GEAR DID NOT EXTEND. ACCOMPLISHED 'ALT GEAR EXTENSION' CHECKLIST. AIRCRAFT TAKEN BACK TO SEA. MAINTENANCE REMOVED AND REPLACED RT MOG DOOR SOLENOID SEQUENCING VALVE. REMOVED AND REPLACED SECONDARY MLG SELECTOR VALVE FILTER FITTING (P/N 48300-3). BLED NR 2 HYD SYSTEM FOR LANDING GEAR CIRCUIT AFTER COMPONENT REPLACEMENT. PERFORMED FUNCTIONAL TEST OF LANDING GEAR. OPERATED LANDING GEAR APPROX 3 DOZEN TIMES THEN BLED NR 2 HYD RESERVIOR. GEAR OPERATES NORMALLY. FUNCTIONAL TEST GOOD. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — MALFUNCTIONED (NR 1) · airframe 13,265 hrs · 9,828 cycles

LAX - ON FLIGHT 2469, AT FL250 MASTER WARNING NR 1 OIL PRESSURE LIGHT CAME ON. SECURED ENGINE PER E/A CHECKLIST. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE, NR 1 PROP ASSY, NR 1 AC GENERATOR, NR 1 OIL COOLER. ALL OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — FAULTED (PITCH TRIM) · airframe 13,241 hrs · 9,807 cycles

PDX FLIGHT NR 2356: PITCH TRIM CAUTION MESSAGE. AIRCRAFT RETURNED TO GATE. MAINTENANCE FOUND CDS REPORTS FCECU FAILURE NR 67. PERFORMED FAULT CONFIRMATION IAW FIM 37-30-00-810-803. FAULT CLEARED. NO FURTHER DEFECTS FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 12,955 hrs · 9,541 cycles

BOI FLIGHT NR 2407: CLIMBING THROUGH 21,000 FEET, CAPTAIN'S WINDSHIELD CRACKED OVER MAJORITY OF AREA. AIRCRAFT RETURNED TO FIELD. MAINTENANCE REMOVED AND REPLACED CAPTAINS WINDSHIELD IAW Q400 AMM 56-10-01, PG 401-415. GROUND OPS CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION (SPOILERS) · airframe 12,817 hrs · 9,416 cycles

SEA FLIGHT NR 2275: SPOILER OUTBOARD CAUTION, ROLL SPOILER INBOARD AND OUTBOARD HYD CAUTION LIGHTS ON AFTER START. AIRCRAFT RETURNED TO GATE. MAINTENANCE FOUND ROLL SPOILER SENSOR TRIPPED. RESET ROLL SPOILER CABLE SENSOR IAW Q400 AMM TASK 27-61-00-710-805 STEP 6 THRU END. CAUTION LIGHTS DID EXTINGUISH AND DID NOT RETURN. PERFORMED OPS TEST OF ROLL SPOILER SYSTEM IAW Q400 AMM TASK 27-61-00-710-801. OPS CHECK GOOD WITH NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (CAUTION LIGHT) · airframe 12,570 hrs · 9,159 cycles

SEA FLIGHT NR 2378: NR 2 RUD HYD CAUTION LIGHT ON TAXI. AIRCRAFT RETURNED TO GATE. MAINTENANCE C/W DH8-400-SL-27-007A. PERFORMED C/B RESET PROCEDURES. GROUND RAN ENGINES. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (ENGINE TORQUE) · airframe 12,374 hrs · 8,973 cycles

SMF FLIGHT NR 2410: POWER PLANT MESSAGE ON ED AFTER PROPS CAME OUT OF FEATHER. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REQUESTED REMOVAL AND REPLACEMENT OF NR 2 PECU (P/N 699018002, S/N 1046) IAW AMM TASK 61-20-36-000-801 AND 61-20-36-400-801. OPS TEST FAILED. DID NOT FIX PROBLEM. AFTER TROUBLE SHOOTING, SWAPPED THE TORQUE SENSOR 'A' CONNECTOR P11 FROM NR 1 TO NR 2 AND VICE VERSA. PROBLEM FOLLOWED FROM NR 2 ENGINE TO NR 1 ENGINE. SWAPPED TORQUE SENSORS BACK TO ORIGINAL POSITIONS IAW TASKS 77-11-06-000-801 AND 77-11-06-400-801. REMOVED AND REPLACED NR 2 ENGINE TORQUE SENSOR 'A' CONNECTOR P11 WITH NEW FROM STOCK. FAULT CODE CLEARED. ALL OPS CHECKS COMPLETED FOR THE NR 1 AND NR 2 ENGINES. FADEC AND P

Part: DRAIN VALVE — PLUGGED (APU)

BALL ON WRONG SIDE OF SPRING ALLOWING IMPROPER DRAINAGE.

Part: CIRCUIT BREAKER — MAINT ERROR · airframe 12,188 hrs · 8,801 cycles

SEA FLIGHT NR 2328: DURING TAXI, ELEVATOR PRESSURE CAUTION ILLUMINATED. AIRCRAFT RETURNED TO GATE. STANDBY HYD PUMP WAS RUNNING WHEN NOT SELECTED. MAINTENANCE FOUND HYD SYS CONT CB H7 PULLED AND COLLARED. REMOVED COLLAR AND RESET CB. PERFORMED OPS TEST OF THE STANDBY POWER UNIT IAW Q400 AMM TASK 29-11-36-710-801. OPS TEST IS GOOD WITH NO DISCREPANCIES NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — MISSING (CABIN) · airframe 12,177 hrs · 8,793 cycles

PDX - ON FLIGHT 2286, ON PREFLIGHT FOUND FLOOR TRACK PIECE AT 1 AB WITH THE SMALL RED SQUARES INDICATING AN EMERGENCY EXIT IS MISSING. MAINTENANCE REMOVED AND REPLACED FLOOR TRACK STRIP. AIRCRAFT RETURNED TO SERVICE.

Part: PROBE — MALFUNCTIONED (ICE DETECTOR) · airframe 12,033 hrs · 8,672 cycles

PDX FLIGHT NR 2416: ICE DETECT FAIL CAUTION LIGHT ILLUMINATED AFTER ENGINE START. MAINTENANCE REMOVED RT ICE DETECTOR PROBE IAW Q400 AMM 30-80-01-000-801. INSTALLED A NEW FROM STOCK ICE DETECTOR PROBE IAW Q400 AMM TASK 30-80-01-400-801. OPS TEST GOOD. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — INOPERATIVE (WINDSHIELD HEAT) · airframe 11,659 hrs · 8,345 cycles

SEA - ON FLIGHT 2299, RETURNED TO FIELD, CAPTAINS WINDOW HEAT NOT WORKING WITH ASSOCIATED WINDSHIELD CONTROL CAUTION LIGHT. MAINTENANCE RESEATED AND LOCKED, LOOSE WIRE PIN AT RELAY 3041-K7, PIN B2. REPLACED BURNED RELAY 3041-K1. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLAP SYSTEM — INOPERATIVE (TE FLAPS) · airframe 11,573 hrs · 8,282 cycles

SEA - ON FLIGHT 2366, ON TAXI FOR DEPARTURE, OUT OF SEA, SELECTING FLAPS UP, GOT A FLAP POWER CAUTION LIGHT WITH THE FLAPS STUCK AT ABOUT 5 DEG, RAN ABNORMAL CHECKLIST, RESET CIRCUIT BREAKER AFTER RESETTING FLAP POWER CIRCUIT BREAKER THE CAUTION LIGHT REMAINED ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE FUEL CONTROL UNIT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FIXTURE — BURNED (LAVATORY) · airframe 11,500 hrs · 8,214 cycles

MFR FLIGHT NR 2457: FA REPORTED ELECTRICAL ODOR IN LAV. PER MTX CONTROL, LAV CB R2 WAS PULLED. ELECTRICAL SMELL DISSIPATED. MAINTENANCE INSPECTED LAV AND FOUND LIGHT FIXTURE BURNED. REPLACED LAV LIGHT ASSY AS REQUIRED. RESET CB'S R2 IAW GMM 5-18-0. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (HYDRAULIC SYS) · airframe 11,442 hrs · 8,159 cycles

BOI FLIGHT NR 2303: AFTER START, NR 3 HYD PUMP CAUTION LIGHT REMAINED ILLUMINATED. WHEN NR 3 ISO VALVE SWITCH 'OPEN' HYD NR 3 PRESS REMAINED 0. SWITCH LIGHT INDICATES OPEN. AIRCRAFT RETURNED TO GATE. MAINTENANCE REPLACED NR 3 HYD ACCUM ISO VALVE IAW AMM TASK 29-12-21-000-801 AND 29-12-21-400-801. OPS CHECK AND LEAK CHECK NORMAL. ALSO, REPLACED NR 3 HYD PRESS SWITCH AND RL4 RELAY (PN M6106/19-022). AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (NR 1 BLEED) · airframe 11,102 hrs · 7,855 cycles

PDX FLIGHT NR 2308: NR 1 BLEED HOT CAUTION LIGHT DURING DESCENT. TURNED OFF BLEED PER CHECKLIST. LIGHT EXTINGUISHED. ALSO DUCT TEMPS ALL NORMAL. MAINTENANCE INTERROGATED CDS. FOUND LEFT ANA WING LOOP FAULT. REPLACED NR 1 NACELLE DUCT LEAK OVER TEMP SWITCH IAW Q400 AMM 36-11-21-000-801 AND 36-21-11-400-801. GROUND RAN ENGINE. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — FALSE ACTIVATION (ENGINES) · airframe 11,053 hrs · 7,806 cycles

SEA FLIGHT NR 2378: PUSHER SYSTEM FAIL CAUTION LIGHT NOTICED AFTER ENGINE START NR 1 AND NR 2 ON PUSH BACK FROM THE GATE. MAINTENANCE C/W FIM TASK 27-33-00-810-829. NO FAULTS IN CDS. STICK PUSHER SYSTEM. OPERATIONAL CHECKS GOOD IAW TASK 27-33-00-710-802. NO CAUTION LIGHTS AND NO FAULTS IN CDS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ECU — MALFUNCTIONED (NR 2) · airframe 10,901 hrs · 7,676 cycles

SEA FLIGHT NR 2436 - POWER PLANT MESSAGE ON ED AFTER PUSHBACK. RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 2 PEC. PERFORMED OPS CHECK. ALL CHECKS GOOD. NO FURTHER FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — FALSE ACTIVATION (STICK PUSHER) · airframe 10,901 hrs · 7,676 cycles

SEA FLIGHT NR 2394: PUSHER SYSTEM FAIL CAUTION LIGHT. AIRCRAFT RETURNED TO GATE. MAINTENANCE PERFORMED OPS TEST OF STALL PROTECTION MODULE AND FUNCTIONAL TEST OF THE AOA TRANSDUCER IAW Q400 AMM TASK 27-33-01-710-801 AND 27-33-26-720-801. OPS AND FUNCTIONAL CHECKS GOOD. INTERROGATED CDS SYSTEM FOR PREVIOUS FAULTS, NONE RECORDED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE INDICATION (PROP DE ICE) · airframe 10,850 hrs · 7,628 cycles

GEG FLIGHT 2355: PROP DEICE CAUTION LIGHT REMAINS ILLUMINATED WITH PROP DEICE SWITCH IN THE OFF POSITION ON RAMP. MAINTENANCE PERFORMED OPS CHECK. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: TRANSDUCER — DEFECTIVE (STALL WARNING) · airframe 10,821 hrs · 7,600 cycles

PDX FLIGHT NR 2449: PUSHER SYSTEM FAIL LIGHT. MAINTENANCE REMOVED AND REPLACED NR 1 AND NR 2 AOA TRANSDUCER IAW Q400 AMM TASK 27-33-26-000-801 AND 27-33-26-400-801. AIRCRAFT RETURNED TO SERVICE, S/N 249: TOTAL TIME 6956.5 AND TOTAL CYCLES 6640.6.

Part: CONTROL UNIT — MALFUNCTIONED (PITOT HEAT) · airframe 10,515 hrs · 7,323 cycles

SEA FLIGHT NR 2396: PITOT HEAT STANDBY CAUTION ILLUMINATED HOLDING SHORT OF RUNWAY. STAYED ON ABOUT 15 MINUTES AND WENT OFF DURING TAXI BACK TO GATE AND THEN RE-ILLUMINATED AFTER ABOUT 45 SECONDS. MAINTENANCE: OHM CHECKED THE STANDBY PROBE. CHECKED SPLICES AT THE TMCU. CDS FAULTED THE TMCU. REMOVED AND REPLACED THE TMCU. OPS CHECKED GOOD IAW Q400 AMM 30-11-01-000-801 AND 30-11-01-400-801. OPS CHECK THE PITOT/STATIC SYSTEM ANTI-ICE. CHECKED GOOD IAW 30-30-00. AIRCRAFT RETURNED TO SERVICE.

Part: PROBE — DAMAGED (PITOT/STATIC) · airframe 10,764 hrs · 7,548 cycles

SEA FLIGHT NR 2432: PITOT HEAT STANDBY CAUTION ILLUMINATED DURING TAXI FOR TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE STANDBY PITOT/STATIC PROBE IAW AMM 34-12-11. C/W PITOT/STATIC LEAK CHECK IAW MTC 6341102. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: STICK SHAKER — MALFUNCTIONED (STALL WARNING) · airframe 10,644 hrs · 7,743 cycles

SEA FLIGHT NR 2328 - PUSHER SYSTEM FAIL CAUTION. MAINTENANCE TROUBLESHOT IAW Q400 FIM 27-33-00-810-829. NO CURRENT FAULTS PRESENT IN CDS. SYSTEM FUNCTION CHECKED GOOD WITH NO FURTHER CAUTIONS OR CDS MESSAGES. NO FURTHER ACTION REQUIRED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — OUT OF RIG (MAIN PAX) · airframe 10,563 hrs · 7,365 cycles

SEA FLIGHT 2398: REAR PAX DOOR EXTREMELY DIFFICULT TO CLOSE AND LATCH. MAINTENANCE RIGGED REAR PAX DOOR IAW AMM TASK 52-00-00-820-801. OPS AND LEAK CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (STBY HEAT) · airframe 10,531 hrs · 7,336 cycles

BOI FLIGHT NR 2403: PITOT HEAT STANDBY REMAINED ILLUMINATED AFTER START. MAINTENANCE CYCLED AIRCRAFT POWER. CYCLED STANDBY SWITCH. LIGHT EXTINGUISHES. NO DEFECTS NOTED. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — FALSE ACTIVATION (STICK PUSHER) · airframe 10,506 hrs · 7,314 cycles

PDX FLIGHT 2356: PUSHER SYSTEM FAIL CAUTION ILLUMINATED AFTER PUSHBACK. RAN CHECKLIST - WENT OUT AND THEN CAME BACK ON. RETURNED TO GATE. MAINTENANCE PERFORMED FIM TASK 27-33-00-810-829. FUNCTIONAL TEST OF STALL WARNING/STICK PUSHER GOOD. FUNCTIONAL CHECK OF STALL PROTECTION SYSTEM GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION MESSAGE — ILLUMINATED (PUSHER SYS) · airframe 10,435 hrs · 7,239 cycles

PDX FLIGHT NR 2345: PUSHER SYSTEM FAIL CAUTION LIGHT ILLUMINATED AFTER ENGINE START. RETURNED TO GATE. MAINTENANCE C/W RESET OF SPM2 IAW DH8-400-SL-001R14. MESSAGE NO LONGER DISPLAYED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DENTED (RUDDER) · airframe 10,425 hrs · 7,239 cycles

YYC C3 TRAILING RUDDER IS DENTED ON THE LEFT HAND SIDE NEAR THE TRAILING EDGE BETWEEN THE LOWER AND MID HINGE HEIGHT. REPAIRED IAW RD 8/4-55-0273 AND EA 6-55-152.

Part: TEE FITTING — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND UPPER CENTER WING ACCESS PANEL T-FITTINGS P/N 85713349 HAVE AREAS OF SCRATCHES AND CORROSION (YW79.70, YW117.50, YW157.825). REPAIRED IAW RD 8/4-57-526 AND DHC-8-400 SRM 51-40-15-330-801.

Part: PANEL — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING FUEL PANEL REBATE AT 522AT, 522BT, 522CT AND 523AT HAS CORROSION AROUND SCREW HOLES. REPAIRED IAW RD 8/4-57-441, ISSUE 1 AND EA 6-57-471A.

Part: PANEL — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND WING FUEL PANEL REBATES AT 622AT, 622BT, 622CT, 623AT HAS CORROSION AROUND SCREW HOLES. REPAIRED IAW RD 8/4-57-441, ISSUE 1. EA 6-57-471A AND RD 8/4-57-658, ISSUE 2.

Part: TEE FITTING — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND UPPER CENTER WING ACCESS PANEL T-FITTINGS P/N 85713349 HAVE AREAS OF SCRATCHES AND CORROSION (YW79.70, YW117-50, YW157.825). REPAIRED IAW RD 8/4-57-526 DHC-8-400 SRM 51-40-07-320-801, 51-23-20-390-801 AND 51-40-15-370-801.

Part: PANEL — DAMAGED (CENTER WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 CENTER WING FUEL PANEL REBATES 523BT, 522BT, 522CT, 522AT, 622AT, 622BT, 622CT, 623BT HAVE BOX CUT MARKS (SCRATCHES) ALL AROUND. REPAIRED IAW DHC-8-400 SRM 57-10-30-320-802.

Part: TEE FITTING — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND AND RIGHT HAND WING HAVE DAMAGE T-FITTINGS AT YW117.5 LEFT HAND AND YW157.825 RIGHT HAND WITH CORRODED BORE HOLES. REPAIRED IAW RD 8/4-57-647, ISSUE 1 AND EA 6-57-470.

Part: SKIN — DENTED (RUDDER) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORE RUDDER UPPER RIGHT HAND SKIN DENTS BETWEEN FRONT AND REAR SPAR AND BETWEEN RIB 16-17. REPAIRED IAW RD 8/4-55-0253, ISSUE 1 AND EA 6-55-132.

Part: STATIC WICK — LOOSE (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT WING OUTBOARD STATIC WICK DISCHARGE BASE IS LOOSE. REPAIRED IAW RD 8/4-57-653, ISSUE 1 AND EA 6-57-468.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 MID CENTER FUSELAGE EXTERNAL RIGHT HAND SKIN PANEL STATION X321 - X341 AND STRINGER 21S-22S HAS A DENT. REPAIRED IAW RD 8/4-53-666, ISSUE 1.

Part: SKIN — DENTED (TE FLAPS) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND OUTBOARD FLAP UPPER SURFACE HAS TWO DENTS AT YW209.19 AFT OF LEADING EDGE FROM SCREW DAMAGE SHROUD. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND EA 6-57-472.

Part: SKIN — DENTED (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE DOOR HAS A SMALL DENT AT X763.102 AND Z96.353. INSPECTED AND PROTECTED IAW RD 8/4-52-252, ISSUE 1 AND EA 6-52-456. PLACED ON MRSI 004263. DOES NOT AFFECT AIRWORTHINESS.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 MIDDLE CENTER FUSELAGE EXTERNAL RIGHT HAND SKIN PANEL BETWEEN STATION X281 - X301 AND STRINGER 17S -18S HAS TWO DENTS. REPAIRED IAW RD 8/4-53-666, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 MIDDLE CENTER FUSELAGE EXTERNAL RIGHT HAND SKIN PANEL BETWEEN X281 - X301 AND STRINGER 20S - 21S HAS A DENT. REPAIRED IAW RD 8/4-57-666, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 MIDDLE CENTER FUSELAGE EXTERNAL RIGHT HAND SKIN PANEL BETWEEN STATION X301 - X321 AND STRINGER 19S - 20S HAS A DENT. REPAIRED IAW RD 8/4-53-1458, ISSUE 1.

Part: SHROUD — OUT OF POSITION (TE FLAPS) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING 11B FLAP SHROUD ASSEMBLY P/N 85730351 BETWEEN YW43.52 - YW155 HAS UNSUFFICIENT CLEARANCE BETWEEN 11B FLAP ASSEMBLY. REPAIRED IAW RD 8/4-57-001, ISSUE 6.

Part: SKIN — DENTED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 MIDDLE CENTER FUSELAGE EXTERNAL LEFT SKIN PANEL BETWEEN STATION X281-X301 AND STRINGER 11P - 12P HAS ONE DENT. REPAIRED IAW RD8/4-53-1455, ISSUE 1 AND HORIZON AIR EA 6-53-650.

Part: BULKHEAD — CHAFED (MLG WW) · airframe 10,425 hrs · 7,239 cycles

YYC C3 NOSE LANDING GEAR WHEEL WELL, FORWARD SIDE OF FORWARD PRESSURE BULKHEAD, LEFT HAND OF CENTER HAS A CHAFE MARK. REPAIRED IAW RD 8/4-53-1224, ISSUE 1 AND Q400 AMM 32-31-00-720-801.

Part: SKIN — DENTED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 MIDDLE CENTER FUSELAGE EXTERNAL LEFT SKIN PANEL BETWEEN STATION X301-X321 AND STRINGER 11P - 12 HAS THREE DENTS. REPAIRED IAW RD 8/4-53-1455, ISSUE 1 AND HORIZON AIR EA 6-53-650.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT BAGGAGE COMPARTMENT UNDER FLOOR PANEL 144DZ SMALL FRAMES FOR DOOR SILL AT STATION X747.0, X755.0, X763.0 AND X775.0 ARE CORRODED BEYOND LIMITS. REMOVED AND REPLACED IAW DHC-8-400 SRM 51-40-07-320-801, 51-25-15-370-801 AND 51-23-00-800-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR RIGHT HAND INBOARD FORWARD SEAT RAIL X19.50 TO X94.8 IS CORRODED BEYOND LIMITS. REPAIRED IAW DHC-8-400 SRM 51-40-07-320-801, 51-41-05-800-801 AND 51-80-00-210-002.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR RIGHT HAND INBOARD SEAT RAIL AT X19.580 HAS CORRODED SPLICE P/N 85338215-101. REPLACED IAW DHC-8-400 SRM 51-42-05-330-801 AND HORIZON AIR EA 6-53-682.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR RIGHT HAND INBOARD FORWARD SEAT RAIL X-39.000 TO X19.5 IS CORRODED BEYOND LIMITS. REPAIRED IAW DHC-8-400 SRM 51-40-07-320-801, 51-41-05-800-801 AND 51-80-00-210-002.

Part: FITTING — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING, UPPER LEADING EDGE REBATES FROM STATION YW191 TO STATION YW535 HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW RD 8/4-57-646 , ISSUE 1 AND HORIZON AIR EA 6-57-469.

Part: FITTING — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND WING, UPPER LEADING EDGE REBATES FROM STATION UYW310 TO STATION YW425, HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW Q400 RD 8/4-57-645, ISSUE 1.

Part: DIAPHRAGM — CRACKED (LT NACELLE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LEFT NACELLE OUTER SUPPER DIAPHRAGM XN197 CRACKED BY WING TRAILING EDGE. REPAIRED IAW RD 8/4-54-155, ISSUE 1.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN, AT STATION X373 AND STRINGER 23P HAS TOOL MARKS AND A GOUGE AROUND HI-LITE FASTENERS. REPAIRED IAW RD 8/4-53-1462 AND EA 6-53-657.

Part: SKIN — TOOL DAMAGE (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN, AT STATION X373 AND STRINGER 23S HAS A TOOL MARK ADJACENT TO HI-LITE FASTENER. REPAIRED IAW RD 8/4-53-1462, ISSUE 1 AND EA 6-53-657.

Part: FRAME — DAMAGED (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE DOOR BOTH FORE AND AFT SIDE FRAMES HAVE TOOL DAMAGE. REPAIRED IAW DHC-8-400 SRM 51-14-00-330-801, RD 8/4-52-256, ISSUE 1 AND EA 6-52-457.

Part: DIAPHRAGM — CRACKED (RT NACELLE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 RT NACELLE OUTER UPPER DIAPHRAGM AT XN197 CRACKED BY WING TRAILING EDGE. REPAIRED IAW RD 8/4-54-155, ISSUE 1.

Part: DOOR FRAME — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 SERVICE DOOR, FORWARD AND AFT VERTICAL FRAMES HAVE NUMEROUS CUT MARKS FROM BOX CUTTERS. REPAIRED IAW RD 8/4-52-255, ISSUE 2 AND HORIZON AIR EA 6-52-455.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, RIGHT HAND INBOARD P/N 85338210-107 HAS CORROSION ON TOP AND INSIDE CLAW FROM STATION X704 TO X747.6. REPAIRED IAW RD 8/4-53-1496 AND HORIZON AIR EA 6-53-684.

Part: SHIELD — DAMAGED (RT NACELLE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 RIGHT NACELLE, AFT LEFT DISHED HET SHIELD HAS A HOLE WORN THROUGH IT. REPAIRED IAW RD 8/4-54-336, ISSUE 2 AND EA 6-54-403.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR FRAME AT X19.400, BLO HAS AREA OF CORROSION AROUND SPLICE. REPAIRED IAW DHC-8-400 SRM TASK 51-20-00-350-801, 51-21-10-380-801 AND SRM TASK 51-42-05-330-801.

Part: CARGO TRACK — CORRODED (CARGO BAY) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGEINTERIOR FORWARD BAGGAGE COMPARTMENT SEAT RAIL 8538261 HAS PITTING CORROSION FROM STATION X32.4 TO X71.2. REPAIRED IAW RD 8/4-53-884 AND ES 6-53-681.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK LEFT, OUTBOARD 85338261 FROM STATION X704.0 TO X717.0 HAS CORROSION INSIDE AND ON TOP OF CLAW PORTION. REPAIRED IAW RD 8/4-53-884, ISSUE 2 AND HORIZON AIR EA 6-53-678.

Part: SKIN — CHAFED (T/E FLAP) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LEFT WING, OUTBOARD FLAP, UPPER SURFACE CHAFED FROM YW191 TO YW281. REPAIRED IAW RD 8/4-57-649 AND EA 6-57-466.

Part: STRUCTURE — TOOL DAMAGE (FWD CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD BAGGAGE DOOR, FORWARD AND AFT SIDE FRAMES HAVE TOOLING DAMAGE. REPAIRED IAW RD 8/4-52-257 AND HORIZON AIR EA 6-52-459

Part: STRUCTURE — CHAFED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND WING OUTBOARD FLAP CHAFED FROM YW210 TO YW246. REPAIRED IAW RD 8/4-57-648, ISSUE 1 AND EA 6-57-463.

Part: SKIN — CORRODED (LEADING EDGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LEADING EDGE 511AL HAS CORROSION IN ATTACHMENT SCREW COUNTERSINK HOLES. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-25-10-370-801.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR UNDER FLOOR WEB AT X714, LHBL 26 AND LHBL 35 HAS TWO ANCHOR NUTS CORRODED. REPAIRED IAW DHC-8-400 SRM TASK 51-40-07-320-801, 51-21-00-350-801, 51-21-10-380-801, 51-42-05-330-801 AND SRM TASK 51-40-15-330-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR FRAME AT X1.000. BLO HAS AREA OF CORROSION AROUND SPLICE. REPAIRED IAW DHC-8-400 SRM 51-42-05-330-801, 51-21-00-350-801, 51-21-10-380-801 AND SRM TASK 51-42-05-330-801.

Part: SKIN — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE EXTERNAL SKIN, UPPER TCAS ANTENNA DOUBLER AT STATION X17.5 HAS PITTING CORROSION. REPAIRED IAW DHC-8-400 SRM 51-40-07-320-801, 51-42-05-330-001, 51-23-00-800-801 AND EA 6-53-677.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 332BD, HAS KNIFE MARKS AROUND CIRCUMFERENCE AND SEALING PAD FALLING OFF. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803, 51-21-10-380-801, 51-25-10-370-801, RD 8/4-55-258, ISSUE 1 AND EA 6-55-138.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 342BB, HAS KNIFE MARKS AROUND CIRCUMFERENCE. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803, 51-21-10-380-801, 51-25-100-370-801, RD 8/4-55-257 AND EA 6/55/137.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, UNDER RIGHT HAND FLOOR PANEL 144CZ HAS NUMEROUS CORROSION PATCHES ON ANGLES, WEBS STIFFENERS AND RIVETS, FROM FRAME X697 TO X714. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-800-801, 51-21-00-800-801, 51-25-90-990-801.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT UNDER CENTER FLOOR PANEL 144BZ, LOWER PORTION OF LEFT HAND WEB Y9.25 ATTACHING TO LEFT HAND STRINGER 31 IS CORRODED FROM STATION X714 TO X783. REPAIRED IAW DHC-8 Q400 SRM 51-21-00-800-801 AND 51-42-05-330-801.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR AFT BAGGAGE COMPARTMENT FLOOR ZONE 145 CAP 85338219-101 FROM STATION X783.1 TO X836.452 ABD LBL 9.25 IS CORRODED BEYOND LIMITS. REMOVED AND REPLACED IAW DHC-8-400 SRM 51-42-00-800-801 AND 51-40-10-330-801.

Part: SKIN — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE EXTERNAL SKIN, DOUBLER FOR RAD ALT ANTENNA AT STATION X166 HAS PITTING CORROSION. REPAIRED IAW DHC-8-400 SRM 51-42-05-330-701, 51-25-10-370-801 AND 51-25-15-320-801.

Part: RIVET — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, UNDER FLOOR RIGHT HAND CENTER SEAT RAIL AND RIVETS ARE CORRODED AT STATION X783 TO X763. REPAIRED IAW DHC8 Q400 SRM 51-40-07-320-801, 51-21-00-350-301, 51-21-10-380-801, 51-25-10-370-801 AND SRM 51-42-08-330-801.

Part: HANDLE — WORN (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE DOOR HANDLE QUADRANT OVER CENTER STOP WORN. REPAIRED IAW DHC-8-400 SRM TASK 51-42-05-800-801.

Part: DOUBLER — MISINSTALLED · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD CENTER FUSELAGE EXTERIOR AT NR 2 VHF ANTENNA INSTALLATION RIGHT OUTBOARD RIVET ROW OF RE-ENFORCE DOUBLER HAS SEVERAL RIVET HEADS ARE PROTRUDING. REPAIRED IAW DHC-8-400 SRM TASK 51-42-05-330-001.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR - AFT BAGGAGE PIT UNDERFLOOR, FLOOR SUPPORT RAIL AT LBL 9, OUTBOARD ATTACHED ANGLE HAS SURFACE CORROSION BETWEEN STATION X783 AND X836. REPAIRED IAW DHC-8 Q400 SRM 51-21-00-350-301, 51-21-10-380-801 AND SRM 51-25-10-370-801.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT FORWARD END, UNDER CENTER FLOOR PANEL 144BZ, STATION X728 SUPPORT CROSS BEAM IS CORRODED. REPAIRED IAW DHC8 Q400 SRM 51-21-00-800-801, 51-21-10-380-801 AND SRM 51-25-10-370-801.

Part: SHEAR WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, UNDER FLOOR PANEL 144DZ, HORIZONTAL SHEAR WEB ASSEMBLY HAS NUMEROUS PATCHES ON UPPER AND LOWER SURFACES PLUS NUMEROUS CORRODED AND BROKEN ANCHOR NUTS. REPAIRED IAW DHC-8 Q400 SRM 51-21-00-800-801, 51-21-10-380-801, 51-25-10-370-801 AND SRM 51-42-00-350-801.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT CENTER FLOOR PANEL 144BZ, AFT SUPPORT ANGLE AT STATION X783, IS CORRODED. REPAIRED IAW DHC8 Q400 SRM 51-21-00-350-301, 51-21-10-380-801 AND SRM 51-21-10-580-801.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, STATION X728, RIGHT HAND SIDE, ABOVE RIGHT HAND STRINGER 27, WEB AND RIVETS UNDER FLOOR ARE CORRODED. REPAIRED IAW DHC8 Q400 SRM 51-21-00-800-801, 51-25-10-370-801 AND SRM 51-42-05-330-801.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR - AFT BAGGAGE PIT UNDERFLOOR, FLOOR SUPPORT RAIL AT RBL9, OUTBOARD ATTACHED ANGLE HAS SURFACE CORROSION BETWEEN STATION X783 AND X836. REPAIRED IAW DHC-8 Q400 SR 51-21-00-350-301, 51-21-10-380-801 AND SRM TASK 51-25-10-370-801.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT UNDER CENTER FLOOR PANEL 144BZ, LOWER PORTION OF RIGHT HAND WEB Y9.25 ATTACHING TO RIGHT HAND STRINGER 31 IS CORRODED FROM STATION X714 TO X783. REPAIRED IAW DHC-8 Q400 SRM 51-40-07-320-801, 51-21-00-350-801, 51-21-10-380-801, 51-25-10-370-801 AND SRM 51-42-08-330-801.

Part: SKIN — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR AT STATION X-8, LAV SERVICE HOUSING, INTERNAL DOUBLER HAS EXFOLIATION CORROSION. REPAIRED IAW DHC-8-400 SRM 51-42-05-330-801, 51-40-07-320-801, 51-42-00-800-801 AND SRM TASK 51-25-15-370-801.

Part: SKIN — CORRODED (AFT CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE DOOR LOWER BEAM INNER SKIN HAS TWO SMALL SPOTS OF CORROSION. REPAIRED IAW Q400 SRM 52-10-20-992-801 AND 52-30-10-01 ITEM 3.

Part: PANEL — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LEFT WING FUEL PANEL REBATES AT 521BT, 521AT AND 621AT HAS SCRATCHES AROUND HOLES. REPAIRED IAW RD 8/4-57-441, ISSUE 1.

Part: SKIN PANEL — DENTED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FRONT FUSELAGE EXTERIOR RIGHT HAND SKIN PANEL DENT AT STATION X-80 AND Z146. REPAIRED IAW Q400 SRM 51-40-07-320-801AND 51-42-05-330-801

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 MIDDLE CENTER FUSELAGE EXTERNAL SKIN PANEL BETWEEN STATION X281-X301 AND STRINGER 12P-13P HAS THREE DENTS EXCEEDING LIMITS. REPAIRED IAW RD 8/4-53-1455, ISSUE 1 AND HORIZON AIR EA 6-53-650.

Part: PANEL — CORRODED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING FUEL TANKS ACCESS LIDS HAVE CORROSION IN SCREW HOLE COUNTERSINKS AT 523AT, 522CT, 522BT AND 522AT. REPAIRED IAW RD 8/4-57-432, ISSUE 1.

Part: PANEL — CORRODED (CENTER WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 CENTER WING DRY BAY ACCESS LIDS HAVE CORROSION IN SCREW HOLE COUNTERSINKS AT 521BT, 521AT,AND 621BT. REPAIRED IAW RD 8/4-57-432, ISSUE 1.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, RIGHT HAND INBOARD P/N 85338210-105 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X612.5 TO X672.5 AND HAS CORROSION AT CLAW AREA AT STATION X648. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, TOWER SKIN ATTACH FLANGE FOR FRAME STATION X783.102 AT LEFT HAND STRINGER 31 AND 33, IS CORRODED. REPAIRED IAW Q400 SRM 51-42-05-330-801, 51-21-00-800-801, 51-21-10-380-001 AND 51-25-10-370-001

Part: FITTING — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT WING, CENTER FUSELAGE SECTION 621, ALL REBATES FOR PANELS IN SECTION 621 HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW Q400 SRM 51-14-00-350-803, 51-25-10-320-801 AND RD 8/4-53-451, ISSUE 1.

Part: PANEL — CORRODED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND FUEL TANKS ACCESS LIDS HAVE CORROSION IN SCREW HOLE COUNTERSINKS AT 623AT, 622CT, 622BT AND 622AT. REPAIRED IAW RD 8/4-57-432, ISSUE 1.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 CENTER FUSELAGE UNDER FLOOR PANEL 132GZ, FRAME X301 AND RIGHT HAND STRINGER 30, FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-42-05-330-001, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 133BZ STATION X-18.25 AND STRINGER 33 IS CORRODED. REPAIRED IAW DHC-8 Q400 SRM TASK 51-21-00-350-801, 51-25-10-370-801 AND SRM TASK 51-25-15-370-801.

Part: RIB — CRACKED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 RIGHT WING LEADING EDGE 611AR INBOARD AND OUTBOARD ALUMINUM END RIBS ARE CRACKED AT TOP AND BOTTOM ENDS. REPAIRED IAW RD 8/4-57-105.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD FUSELAGE UNDER FLOOR PANEL 133FZ FRAME 216.0 AND RIGHT HAND STRINGERS 31 AND 32, FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-42-05-330-001, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: PANEL — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 RIGHT WING PANEL BEHIND REAR SPAR AT STATION 371-389 WAS DRILLED OFF TO FACILITATE ACCESS TO OUTBOARD SPOILER, NEED TO BE RIVETED BACK ON. INSTALLED IAW DHC-8-400 SRM TASK 51-42-45-330-801 AND 51-42-35-330-801.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD FUSELAGE UNDER FLOOR PANEL 132CE, STATION X116, FLOOR SUPPORT BEAM IS CORRODED UNDER ELECTRICAL CABLE TRAY, ABOVE RIGHT STRINGER 31. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-25-10-370-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR - AFT BAGGAGE PIT UNDERFLOOR, FRAME WEB AT STATION X836 HAS CORROSION ON FORWARD SIDE AT RBL24, AND ON AFT SIDE AT RBL 10. REPAIRED IAW DHC-8 Q400 SRM 51-21-00-350-801, 51-42-05-330-801 AND 51-21-41-340-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK RIGHT OUTBOARD 85338261 FROM STATION X571.5 TO X668.9 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 133BZ, FRAME X19.4 AND RIGHT HAND STRINGER 31, FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-330-801, 51-21-00-350-801, 51-25-10-370-001, 51-42-05-330-801 AND SRM TASK 51-25-15-370-001.

Part: RIVET — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, VERTICAL WEB BELOW FLOOR, STATION X783.102 AND RIGHT HAND STRINGER 30 HAS MANY CORRODED RIVETS. REPAIRED IAW Q400 SRM 51-21-00-800-801, 51-42-05-330-801, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK RIGHT OUTBOARD 85361561 FROM STATION X229.5 TO X571.5 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 CENTER FUSELAGE UNDER FLOOR PANEL 143BZ, FRAME X489 AND RIGHT HAND STRINGER 31, FRAME FLANGE ATTACHED TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-42-05-330-001, 51-25-10-370-801 AND SRM 51-25-15-370-301.

Part: ATTACH BRACKET — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, FUSELAGE INTERIOR AT FLOOR LEVEL, BULKHEAD ATTACH BRACKET TOP PLATE HAS CORROSION AROUND SCREW HOLE AT STATION X1.00 AND LBL 11.0. REPAIRED IAW Q400 SRM 51-25-10-370-801 AND 51-25-15-370-801.

Part: SKIN — NICKED (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD BAGGAGE DOOR SKIN HAS A SMALL GROUP OF NICKS ON SKIN BELOW DOOR HANDLE. REPAIRED IAW RD 8/4-53-666, ISSUE 1.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 - FUSELAGE INTERIOR, SEAT TRACK RIGHT INBOARD 85338210 AT STATION X783.0 HAS CORROSION INSIDE AND ON TOP OF CLAW PORTION. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, RIGHT HAND INBOARD P/N 85361510-104 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X22.5 TO X571.5 AND NICKS AROUND CLAW AT STATION X547.00. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN BELOW THE AFT BAGGAGE DOOR FROM STATION X735 TO X775 HAS MULTIPLE NICKS. REPAIRED IAW RD 8/4-53-406, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AT THE FORWARD LOWER CORNER OF THE AFT BAGGAGE DOOR CUT OUT HAS FOUR NICKS. REPAIRED IAW RD 8/4-53-406.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT FUSELAGE, UNDER FLOOR PANEL 143CZ FRAME X564.5 AND LEFT STRINGERS 32 AND 33, FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-42-05-330-801.

Part: SKIN — CRACKED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE EXTERNAL LEFT HAND SIDE SKIN AT X32.40 TO X45 BETWEEN STRINGER 10L AND 12L HAS CRACK ON SKIN. REPAIRED IAW RD 8/4-53-1453, ISSUE 1 AND EA 6-53-661.

Part: SKIN — DAMAGED (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE LEFT AFT BAGGAGE DOOR HAS NICK ON EXTERNAL SURFACE. REPAIRED IAW RD 8/4-52-249 AND HORIZON AIR EA 6-52-452.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK LEFT, OUTBOARD P/N 8532861 FROM STATION X324.0 TO X229.5 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884 ISSUE 2.

Part: SKIN — GOUGED (FUSLEAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN HAS TWO GOUGES AT STATION X551.0 BETWEEN STRINGER 17R AND 18R. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND HORIZON AIR EA 6-53-668.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X550.0 BETWEEN STRINGER 16R AND 17R. REPAIRED IAW RD 8/4-53-1461 AND HORIZON AIR EA 6-53-668.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, STATION X728 RIGHT HAND SIDE, SECOND FROM OUTBOARD SEAT RAIL FOR GALLEY IS CORRODED AT AFT END. REPAIRED IAW RD 8/4-53-886, ISSUE 1.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, UNDER CENTER FLOOR PANEL 144BZ, FRAME AT STATION X783.102 IS CORRODED BETWEEN STRINGER LEFTHAND 31 AND RIGHTHAND 31. REPAIRED IAW DHC-8 Q400 SRM 51-21-00-800-801, 51-42-05-800-801, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: PANEL — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING, CENTER FUSELAGE SECTION 521, ALL REBATES FOR PANELS IN SECTION 521 HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803, 51-25-10-370-801 ADN R5D 8/4-53-451, ISSUE 1.

Part: FITTING — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE FORWARD PASSENGER AIRSTAIRS DOOR SURROUND STRUCTURE TWO AFT TOP STOP FITTINGS HAVE WEAR. REPAIRED IAW RD 8/4-53-1459 AND EA 6-53-664.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, LEFT HAND INBOARD PN 85328210-101 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X83.00 TO X102.5 AND CORROSION ON OUTBOARD FLANGE AROUND RIVETS AT STATION X1.000 TO X19.400. REPAIRED IAW RD 8/4-53-884, ISSUE 2,

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 133DZ, FRAME X94.8 IS CORRODED AT RIGHT HAND STRINGER 32 AND 31, FORWARD SIDE. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR - AFT BAGGAGE PIT UNDERFLOOR, HORIZONTAL WEB AT STATION X839 AND RBL 17 HAS SURFACE CORROSION IN TWO SPOTS. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-330-01 AND SRM 51-25-10-370-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK LEFT INBOARD 85.338210 AT STATION X783.0 HAS CORROSION INSIDE AND ON TOP OF CLAW PORTION. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS SCRATCHED AT STATION 449.0 BETWEEN STRINGER 12R AND 13R. REPAIRED IAW RD 8/4-53-1466, ISSUE 1, DHC-8-400 SRM 51-14-00-350-803 AND HORIZON AIR EA 6-53-667.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 132BZ, FRAME X32.4 AND RIGHT HAND STRINGER 29 FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-21-00-350-801 AND SRM 51-42-05-330-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 1132AZ, FRAME X19.4 AND RIGHT HAND STRINGER 29, TOP OF FRAME IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-25-10-370-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT UNDER CENTER FLOOR PANEL 144BZ, FLANGES ATTACHING SKIN TO FRAME STATION X747.602 AND STRINGER 31 TO 33 LEFTHAND SIDE IS CORRODED. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-800-801M 51-21-00-880-801, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT FUSELAGE, UNDER CENTER FLOOR PANEL 143DZ, FRAME X644.5 AND LEFT HAND STRINGER 32, FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND 51-42-05-330-001.

Part: FITTING — CHAFED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND WING, CENTER FUSELAGE SECTION 621, FORWARD REBATE FOR PANEL NR 261HT HAS CHAFFING DAMAGE. REPAIRED IAW Q400 SRM 51-14-00-350-803 AND SRM 51-25-10-370-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK LEFT, OUTBOARD 86361561 FROM STATION X229.5 TO X571.5 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, TOP CAP ON WEB STATION X783.102 IS CORRODED IN NUMEROUS PLACES. REPAIRED IAW Q400 SRM 51-21-00-800-801, 51-21-10-380-801 AND 51-21-570-801.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, LEFT HAND INBOARD PN 85328210-101 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X83.00 TO X102.5 AND CORROSION ON OUTBOARD FLANGE AROUND RIVETS AT STATION X102.5 TO X228.5. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: HOUSING — CORRODED (LAV SERVICE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LAV SERVICE HOUSING EXTERNAL, AROUND DRAIN, SOLID RIVET HEADS HAVE SURFACE CORROSION. REPAIRED IAW DHC-8-400 SRM 51-42-00-800-801 AND 51-25-10-370-801.

Part: FLOOR PANEL — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT FUSELAGE, UNDER CENTER FLOOR PANEL 143EZ, FRAME X664.5 AND LEFT HAND STRINGER 32, FRAME TO STRINGER TIE CLIP IS CORRODED. REPAIRED IAW DHC-8-400 SRM TASK 51-25-10-370-801 AND 51-21-00-350-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT UNDER CENTER FLOOR PANEL 144BZ, FLANGE ATTACHING SKIN TO FRAME STATION X763 AND STRINGER 33 IS CORRODED. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-800-801, 51-21-00-870-801, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK LEFT, OUTBOARD 85338261 FROM STATION X571.5 TO X668.9 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, LEFT HAND INBOARD PN 85361510-103 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X228.5 TO X571.5. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, LEFT HAND INBOARD PN 85338210 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X571.5 TO X672.5 AND CORROSION ON TOP AND INSIDE CLAW FROM STATION X721 TO X747.602. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR PASSENGER DOOR SURROUND LOWER STRUCTURE AT STATION X1.00 TO X32.40, THRESHOLD MEMBER P/N 85329539 HAS CORROSION AROUND SCREW HOLES. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-320-001 AND 51-23-00-390-006.

Part: STRINGER CLIP — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FORWARD FUSELAGE, UNDER FLOOR PANEL 1132AZ, FRAME X47.975 AND RIGHT HAND STRINGER 28, STRINGER TIE CLIP IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-42-05-330-001, 51-25-10-370-801 AND 51-25-15-370-801.

Part: STRINGER CLIP — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT FUSELAGE, UNDER CENTER FLOOR PANEL 143EZ, FRAME X664.5 AND LEFT STRINGER 32 TIE CLIP ATTACHING FRAME TO STRINGER IS CORRODED. REPAIRED IAW DHC-8-400 SRM TACK 51-21-350-801, 51-21-10-380-801 AND TASK 51-25-10-370-801.

Part: FRAME — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FORWARD FUSELAGE UNDER FLOOR PANEL 132DZ FRAME X136 AND RIGHT STRINGER 29, FRAME FLANGE ATTACHING TO SKIN IS CORRODED ON AFT SIDE OF FRAME. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801, 51-42-05-330-001, 51-25-10-370-801 AND SRM 51-25-15-370-801.

Part: PANEL — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING STATION YW42, AFT REBATE FOR PANEL 261CT HAS CHAFING DAMAGE. REPAIRED IAW DHC-8-400 SRM 51-14-00-380-803 AND 51-25-10-320-801.

Part: SKIN — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING, CENTER FUSELAGE SECTION 521, FORWARD REBATE FOR PANEL 262AT, HAS CHAFING DAMAGE. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-25-10-370-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AT STATION X704 HAS A DRILL MARK INSIDE A RIVET BETWEEN STRINGER 11L AND 12L. REPAIRED IAW RD 8/4-53-1454 AND HORIZON AIR EA 6-53-662.

Part: SKIN — MISREPAIRED (TE FLAP) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 LEFT WING, OUTBOARD FLAP UNDER SIDE AT YW212.0 HAS INCORRECT RIVET NUT INSTALLED. REPAIRED IAW DHC-8-400 SRM 51-42-65.

Part: FLOOR PANEL — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 AFT FUSELAGE, UNDER FLOOR PANEL 141CZ, FRAME X547 AND LEFT STRINGERS 28 AND 29 FRAME FLANGE ATTACHING TO SKIN IS CORRODED. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801 AND SRM 51-40-05-330-001.

Part: SKIN — DAMAGED (RUDDER) · airframe 10,425 hrs · 7,239 cycles

YYC C3 TRAILING RUDDER, LEFT HAND UPPER SKIN PANEL HAS A CREASE ON RIB 18 BETWEEN FRONT AND REAR SPAR. REPAIRED IAW RD 8/4-55-254, ISSUE 1 AND EA 6-55-134.

Part: PANEL — CORRODED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT HAND FUEL TANK STATION YW353.019 TO YW389-019 FUEL TANK LID ATTACH REBATE HAS LIGHT SURFACE CORROSION AROUND 12 SCREW HOLES. REPAIRED IAW DHC-8 Q400 SRM 57-20-30-320-802 AND SRM 51-21-10-380-801.

Part: PANEL — DAMAGED (LT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 LEFT HAND WING, FUEL TANK LID REBATES FROM STATION YW191 TO STATION YW425 HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW DHC-8-400 SRM TASK 57-20-30-320-82, 57-20-30-992-802 AND 51-21-10-380-801.

Part: FITTING — SCRATCHED (WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 STATION YW389.019 TO YW425.019 FUEL TANK LID ATTACH REBATE HAS MINOR SCRATCHES AND LIGHT CORROSION AROUND FOUR SCREW HOLES. REPAIRED IAW DHC-8 Q400 SRM 57-20-30-320-802 AND 51-21-10-380-801.

Part: FITTING — DAMAGED (RT WING) · airframe 10,425 hrs · 7,239 cycles

YYC C3 RIGHT WING, FURL TANK LID REBATES FROM STATION YW191 TO STATION YW425, HAVE CUT MARKS FROM BOX CUTTERS. REPAIRED IAW Q400 SRM 57-20-30-320-802, 57-20-30-992-8202 AND SRM TASK 51-21-10-380-801.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR, SEAT TRACK, RIGHT HAND INBOARD P/N 85328210-103 HAS WEAR MARKS FROM SEATS INSIDE THE CLAW PORTION FROM STATION X102.5 TO X228.5. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: RIVET — MISSING (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 COCKPIT RIGHT HAND ENTRYWAY BULKHEAD INBOARD MISSING RIVET AND HAS LOOSE BRACKET WIRED TO RIVET HOLE AT X-39 Y128 Z141. REPAIRED IAW DHC-8 Q400 SRM 51-42-05-330-001.

Part: SKIN — DAMAGED (FUSELAEG) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR LEFT SIDE SKIN AT STATION X35 - X38 BETWEEN STRINGER 10L AND 12L HAS NICKS. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE INTERIOR, SEAT TRACK RIGHT OUTBOARD 85328261 FROM STATION X94.8 TO X229.5 HAS NICKS AND CORROSION INSIDE AND ON TOP OF CLAW PORTION AT SEAT LEG ATTACH POINTS. REPAIRED IAW RD 8/4-53-884, ISSUE 2.

Part: STRUCTURE — CORRODED (CARGO DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC C3 THERE IS CORROSION SHOWING ALONG THE TOP MOUNT EDGE OF THE DOOR HANDLE SUPPORT ASSEMBLY AT FORWARD BAGGAGE DOOR. REPAIRED IAW DHC-8-400 SRM 51-21-00-350-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN FORWARD EDGE OF AFT ENTRY DOOR CUT OUT HAS SEVERAL NICKS BETWEEN STRINGER 19L AND 20L. REPAIRED IAW RD 8/4-53-1457, ISSUE 1 AND HORIZON AIR EA 6-53-665.

Part: SPAR — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB RIGHT HAND FORWARD SPAR, UPPER AND LOWER CAPS HAVE KNIFE MARKS ALONG TOTAL LENGTH. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-25-10-370-801.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X487.0 BETWEEN STRINGER 13R AND 16R. REPAIRED IAW RD 8/4-53-505.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X325.0 AND STRINGER 16L. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: CHANNEL — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE INTERIOR PASSENGER DOOR SURROUND LOWER STRUCTURE AT STATION X1.00 TO X32.40, CHANNEL OF P/N 85329540 UNDER THRESHOLD HAS CORROSION AROUND ANCHOR NUTS. REPAIRED IAW DHC-8 Q400 SRM 51-25-10-370-001 AND 51-42-05-330-001.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN, BETWEEN STATION X-39 TO X-17, BETWEEN STRINGER 23P AND 24P HAS AN AREA OF SCRATCHES. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AFT EDGE OF AFT ENTRY DOOR CUT OUT HAS TWO SCRATCHES AND SEVERAL NICKS BETWEEN STRINGER 13L AND 17L. REPAIRED IAW RD 8/4-1457, ISSUE 1 AND EA 6-53-665.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE EXTERIOR REBATE FOR RIGHT HAND STANDBY PITOT TUBE AT STATION X-3100 HAS KNIFE MARKS AROUND CIRCUMFERENCE. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR SKIN AFT IF PASSENGER DOOR AT STATION X36 BETWEEN STRINGER 21L AND 22L HAS A SCRATCH 6" LONG. REPAIRED IAW RD 8/4-1453, ISSUE 1 AND HORIZON AIR EA 6-53-661.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 335BB, HAS KNIFE MARKS AROUND CIRCUMFERENCE. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-25-10-370-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AT THE AFT EDGE OF THE AFT ENTRY DOOR CUT OUT HAS FIVE NICKS BETWEEN STRINGER 9L AND 10L. REPAIRED IAW RD 8/4-53-1457, ISSUE 1 AND HORIZON AIR EA 6-53-665.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 332EB, HAS KNIFE MARKS AROUND CIRCUMFERENCE AND SEALING PAD FALLING OFF. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803, 51-21-10-380-801, 51-25-10-370-801, RD 8/4-55-258, ISSUE 1 AND EA 6-55-138.

Part: SKIN — NICKED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR SKIN HAS SEVERAL NICKS FROM STATION X34 TO X42, BETWEEN STRINGER 20R AND 23R. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AT STATION X658 HAS A NICK BETWEEN STRINGER 19L AND 20L. REPAIRED IAW RD 8/4-53-1457, ISSUE 1 AND HORIZON AIR EA 6-53-665.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL RIGHT SKIN AT STATION X821 HAS A SCRATCH 1" LONG BETWEEN STRINGER 11R AND 12R. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS SCRATCHED AT STATION X42.0 STRINGER 13L-16L. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 342BD, HAS KNIFE MARKS AROUND CIRCUMFERENCE AND SEALING PAD IS FALLING OFF. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-25-10-370-801.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X320.0 AND STRINGER 16L. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: PANEL — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, REBATE FOR PANEL OPENING 342EB, HAS KNIFE MARKS AROUND CIRCUMFERENCE AND SEALING PAD IS FALLING OFF. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-25-10-320-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 FUSELAGE EXTERIOR REBATE FOR RIGHT HAND STANDBY PITOT TUBE AT STATION X-36 HAS KNIFE MARKS AROUND CIRCUMFERENCE. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SPAR — DAMAGED (HORIZONTAL STAB) · airframe 10,425 hrs · 7,239 cycles

YYC C3 HORIZONTAL STAB, LEFT HAND FORWARD SPAR, UPPER AND LOWER CAPS, HAVE KNIFE MARKS ALONG TOTAL LENGTH. REPAIRED IAW DHC-8-400 SRM 51-14-00-350-803 AND 51-28-10-370-801.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X473.0 AND STRINGER 13R. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR SKIN LEFT SIDE SKIN AT STATION X-11 BETWEEN STRINGER 10L AND 11L HAS A SCRATCH 1.5" LONG. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS SCRATCHED AT STATION X-69.0 LEFT OF STRINGER 1. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — GOUGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL SKIN IS GOUGED AT STATION X560.0 BETWEEN STRINGER 10R AND 11R. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR SKIN HAS TWO SCRATCHES AT THE ROP FORWARD CORNER OF THE FORWARD BAGGAGE DOOR CUT OUT. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: SKIN — NICKED (PAX DOOR) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERIOR SKIN FORWARD OF PASSENGER DOOR AT STATION X-1 TO X1 FROM Z103 TO Z116.5 HAS TWO AREAS OF NICKS. REPAIRED IAW RD 8/4-53-505, ISSUE 1.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, LEFT HAND HORIZONTAL WEB ATTACHING TO VERTICAL WEB AT STATION X835.65 IS CORRODED. REPAIRED IAW Q400 SRM 51-21-00-800-801, 51-25-10-370-810 AND SRM 51-21-10-380-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 FUSELAGE EXTERNAL LEFT SIDE SKIN AT STATION X784 HAS A NICK AT STRINGER 21L. REPAIRED IAW RD 8/4-53-505.

Part: WEB — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, AFT VERTICAL WEB STATION X235.65, LEFT HAND SIDE, FORWARD FACE, ABOVE LEFT HAND STRINGER 26, IS CORRODED. REPAIRED IAW Q400 SRM 51-21-800-801, 51-25-10-370-801 AND SRM 51-21-10-380-801.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC C3 AFT BAGGAGE COMPARTMENT, AFT SUPPORT ANGLE FOR FLOOR PANEL 166EZ IS CORRODED AT STATION X783.102. REPAIRED IAW Q400 SRM 51-21-00-800-801, 51-42-05-330-801 AND SRM 51-25-25-370-001.

Part: SKIN — ROUGH (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 PANEL 121BL, EXTERNAL SKIN, ENTIRE SURFACE SANDED VERY COURSE. SMOOTHED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 PANEL 122AR, EXTERNAL SKIN, ENTIRE SURFACE SANDED VERY COURSE. SMOOTHED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSLEAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 PANEL 121AL, EXTERNAL SKIN, ENTIRE SURFACE SANDED VERY COURSE. SMOOTHED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — ROUGH (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 PANEL 122AR, EXTERNAL SKIN, ENTIRE SURFACE SANDED VERY COURSE. SMOOTHED IAW DHC-8-400 SRM 51-14-00-350-803.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 10,425 hrs · 7,239 cycles

YYC - C3 PANEL 112BR, EXTERNAL SKIN, ENTIRE SURFACE SANDED VERY COURSE. SMOOTHED SURFACE IAW DHC-8-400 SRM 51-14-00-350-803.