N374PH

Part: FUEL CONTROL — MALFUNCTIONED (NR 2 ENGINE) · airframe 33,687 hrs · 45,863 cycles

ON CLIMB OUT, NR 2 TORQUE LAGGED BEHIND NR 1 TORQUE GAUGE, WHICH EVENTUALLY DROPPED TO 20% & CREW SHUTDOWN THE ENG. FUEL FLOW WAS 100 LBS LESS. R & R FUEL CONTROL, ECU & PERFORMED OPERATIONS TEST, RESULTS OF OPERATIONS TEST WAS SATISFACTORY.

Part: SMOKE DETECTOR — FALSE ACTIVATION (LAVATORY) · airframe 33,493 hrs · 45,646 cycles

LAVATORY SMOKE DETECTOR BEEPING DURING TAXI. R & R LAVATORY SMOKE DETECTOR.

Part: RIB — DAMAGED (RUDDER) · airframe 32,980 hrs · 45,056 cycles

DAMAGE ON LOWER AFT END OF TRAILING RUDDER. R & R DAMAGED AREA, LOWER CLOSING RIB & DAMAGED SKIN ON LEFT LOWER TRAILING IAW RD 8-55-078 & RD 8-55-2862.

Part: SKIN PANEL — DENTED (FUSELAGE) · airframe 32,980 hrs · 45,056 cycles

DENTS AT STRINGER 771.893, BELOW STRINGER 17. REPAIRED DENTS IAW RD 8-55-2847.

Part: SKIN PANEL — DENTED (FUSELAGE) · airframe 32,980 hrs · 45,056 cycles

DENTS DISCOVERED AT FS 789.656, STRINGER X6. REPAIRED AREA IAW RD 8-55-2846. CUT AWAY ALL DAMAGE, INSPECTED THE REWORK AREA FOR CRACK INDICATIONS, INSTALLED AN EXTERNAL REPAIR DOUBLER & PROTECTING THE REWORK AREA WITH CORROSION INHIBITING COMPOUNDS AS REQUIRED.

Part: SKIN PANEL — DENTED (FUSELAGE) · airframe 32,980 hrs · 45,056 cycles

DENTS AT FS 771.803, STRINGER 11 - 13. REMOVED FASTENERS, CUT DAMAGE OUT IAW DASH 8 RD #8-55-2843.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 32,980 hrs · 45,056 cycles

RIGHT SEAT RAIL AT STATION X222.0 IS SHOWING SIGNS OF CORROSION. REPAIRED SEAT TRACK IAW RD 8-53-3074.

Part: BATTERY — DISCHARGED (CABIN) · airframe 32,549 hrs · 44,562 cycles

EMERGENCY OVERHEAD EXIT & SIDEWALL EXIT LIGHTS DO NOT LIGHT AT ROW 18 AB & CD. R & R PS 4 EMER BATTERY.

Part: FITTING — OUT OF ADJUST (EMERGENCY EXIT) · airframe 32,528 hrs · 44,538 cycles

RIGHT FWD EMER EXIT REQUIRES CHECK FOR BINDING DURING OPENING. FOUND ESCUTCHEON TO RUB ON PIN, ADJUSTED ESCUTCHEON. OPERATIONAL CHECKED SATISFACTORY.

Part: BATTERY — DISCHARGED (CABIN) · airframe 30,862 hrs · 42,589 cycles

ALL EMERGENCY LIGHTS INOPERABLE. RAN ACFT & CHARGED BATTERIES.

Part: ENGINE — MALFUNCTIONED (NR 1) · airframe 30,810 hrs · 42,523 cycles

RETURN TO FIELD FOR SMOKE IN LAVATORY & SMOKE ALARM SOUNDING. R & R NR 1 ENG.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHT) · airframe 30,220 hrs · 41,820 cycles

EMERGENCY EXIT LIGHTS INOPERATIVE AT ALL EMERGENCY EXITS AND CEILING. CHARGED EMERGENCY LIGHTS, OPS CHECK SATISFACTORY.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 29,517 hrs · 40,937 cycles

FIRST AND THIRD CEILING EMERGENCY LIGHTS WILL NOT TEST, PERFORMED OPS CHECK AND CHANGED PS2 AND PS3 EMERGENCY LIGHT BATTERIES.

Part: CONNECTOR — LOOSE (EMERGENCY LIGHTS) · airframe 29,465 hrs · 40,872 cycles

DURING PREFLIGHT CREW REPORTED A LOWER SIDEWALL EMERGENCY EXIT LIGHT WAS INOPERATIVE. MX RESECURED THE CONNECTOR PLUG. OPS CHECKED SATISFACTORY.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,767 hrs · 40,021 cycles

DURING PRE-FLIGHT CREW REPORTED THAT THE CEILING EMERGENCY LIGHTS WERE NOT ILLUMINATING DURING TESTING. GROUND MX CREW R & R THE EMERGENCY LIGHT BATTERY IN POSITION P4. ALL OPS CHECKS PRODUCED SATISFACTORY RESULTS.

Part: BULB — BURNED OUT (EMERGENCY LIGHT) · airframe 28,588 hrs · 39,802 cycles

DURING A SCHEDULED INSPECTION, THE TECH NOTICED THE CENTER CEILING EMERGENCY LIGHT WAS NOT ILLUMINATING DURING TESTING. REPLACED BULB AND ALL OPS TESTS WERE SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 28,538 hrs · 39,731 cycles

CREW REPORTED THAT THE EMERGENCY LIGHTS WERE NOT ILLUMINATING DURING A ROUTINE TEST. GROUND MX, CREW R & R THE EMERGENCY LIGHT BATTERIES. ALL OPS CHECKS PRODUCED SATISFACTORY RESULTS.

Part: BATTERY — DISCHARGED (EMERGENCY LIGHT) · airframe 27,848 hrs · 38,838 cycles

DURING PREFLIGHT, CREW NOTICED SEVERAL EMERGENCY LIGHTS WERE INOPERATIVE. UNDER THE DIRECTION OF MX CONTROL THE CREW PLACED THE EMERGENCY LIGHT SWITCH IN THE COCKPIT IN THE ARM POSITION AND ALLOWED THE BATTERIES TO CHARGE. AFTER THE SYS WAS CHARGED, AN OPS CHECK PRODUCED SATISFACTORY RESULTS AND THE AIRCRAFT WAS RELEASE FOR FLIGHT.

Part: BULB — BURNED OUT (EMERGENCY LIGHT) · airframe 27,726 hrs · 38,668 cycles

DURING PRE-FLIGHT, CREW NOTICED THE ROW 1 EMERGENCY LIGHT WAS INOPERATIVE. GROUND MX CREW R & R THE LIGHT BULB. AN OPS CHECK WAS PERFORMED WITH SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 27,718 hrs · 38,659 cycles

DURING PRE-FLIGHT, CREW NOTICED THE AFT SEGMENT OF THE FLOOR EMERGENCY LIGHTS WAS INOPERATIVE. GROUND MX CREW R & R THE EMERGENCY FLOOR LIGHT STRIP AT ROWS 8 & 9. OPS CHECKED SATISFACTORY AND THE ACFT WAS RETURNED TO SERVICE.

Part: LANDING GEAR — MALFUNCTIONED (NOSE) · airframe 27,545 hrs · 38,443 cycles

ON GEAR RETRACTION, NOSE GEAR DOOR AND UNSAFE LIGHTS REPEATEDLY CYCLED. CREW FOLLOWED EMERGENCY AND ABNORMAL CHECKLISTS AND GEAR RETRACTED NORMALLY. NO EMERGENCY DECLARED. MX INSPECTED NOSE GEAR AND NOSE GEAR DOORS AND WERE UNABLE TO FIND ANYTHING OUT OF THE ORDINARY. CLEANED NOSE GEAR PROXIMITY SWITCH AND RERACKED THE PSEU. GROUND OPS CHECK PERFORMED WITH SATISFACTORY RESULTS. ACFT RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (NLG) · airframe 27,528 hrs · 38,421 cycles

AT CRUISE, 15,000 FT, NOSE GEAR DOORS OPENED AND CLOSED (1 CYCLE). CREW COMPLETED THE REMAINDER OF THE FLIGHT WITHOUT ANY FURTHER INCIDENT. MX CONDUCTED AN INSPECTION OF THE NOSE LANDING GEAR DOORS, ACTUATOR, SHOCK STRUT, ELECTRICAL HARNESS, BELL CRANK SYSTEM, PSEU, AND FOUND NO ISSUES. NO FAULT CODES OBSERVED. MX UNABLE TO FIND A FAULT AND COULD NOT DUPLICATE THE REPORTED INCIDENT. ACFT RETURNED TO SERVICE UPON COMPLETION OF THE INSPECTION AND A SUCCESSFUL OPS CHECK.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 27,336 hrs · 38,198 cycles

DURING PRE-FLIGHT INSPECTION, CREW NOTICED THE NR 1 & NR 3 CEILING EMERGENCY LIGHTS INOPERATIVE. REPLACED THE EMERGENCY LIGHT BATTERY (PS3). OPS CHECKED SATISFACTORY. ACFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 27,317 hrs · 38,172 cycles

DURING THE PRE-FLIGHT INSPECTION, THE CREW NOTICED THAT THE MAIN CABIN DOOR EMERGENCY LIGHT WAS INOPERTIVE. R & R THE EMERGENCY LIGHT BATTERIES AT PS1, AND PS2 LOCATIONS. ALL WORK WAS COMPLETED IN REF WITH AMM CH 33-51-00. AN OPS CHECK WAS PERFORMED WITH SATISFACTORY RESULTS. THE ACFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (ZONE 100) · airframe 26,956 hrs · 37,709 cycles

WHILE PERFORMING EMERGENCY LIGHT CHECKS DURING A PRE-FLIGHT, AIRCREW NOTICED THE EMERGENCY FLOOR LIGHT STRIP AT ROW 4 INOPERATIVE. GROUND MX CREW REPLACED THE LIGHT STRIP, PERFORMED EMERGENCY LIGHT CHECKS. SYS CHECKED SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 26,771 hrs · 37,474 cycles

FLIGHT CREW REPORTED THAT THE CABIN LIGHTS ARE NOT WORKING. MX R & R BATTERIES PS4 AND PS5 AND ALSO THE BULB, PERFORMED OPS CHECK SATISFACTORY.

Part: GENERATOR — FAILED (AC) · airframe 26,655 hrs · 37,331 cycles

FLIGHT CREW REPORTED THAT THE EMERGENCY LIGHT FLICKERED IN FLIGHT. MX R & R AC GENERATOR AND GENERATOR CONTROLLER AND PERFORMED OPS AND LEAK CHECKED SATISFACTORY.

Part: SWITCH — FAILED (EMERGENCY LIGHTS) · airframe 26,660 hrs · 37,340 cycles

FLIGHT CREW REPORTED THAT THE EMERGENCY LIGHTS FLICKERED WITH ENGINES RUNNING. MX R & R THE F/A SWITCH. OPS CHECKED SATISFACTORY.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHT) · airframe 26,291 hrs · 36,875 cycles

FLIGHT CREW REPORTED CEILING EMERGENCY LIGHT ARE NOT WORKING. MX R & R PS3 BATTERY. PERFORMED OPS CHECK WAS SATISFACTORY.

Part: SOLENOID — MALFUNCTIONED (MLG) · airframe 26,097 hrs · 36,619 cycles

FLIGHT CREW REPORTED AFTER TAKEOFF AND GEAR WAS UP NLG RED LIGHT ILLUMINATED ALONG WITH THE YELLOW ADVISORY LIGHT. MX CREW R & R THE NOSE SEQUENCING SOLENOID. OPS CHECK AND TEST FLIGHT WERE SATISFACTORY.

Part: RELAY — MALFUNCTIONED (MLG DOOR) · airframe 25,933 hrs · 36,418 cycles

FLIGHT CREW REPORTED NOSE GEAR DOORS CYCLED IN FLIGHT. MX CREW PINED GEAR AND FERRIED TO BASE. R & R 3261K14 RELAY. PERFORMED GEAR SWING AND OPS CHECK WAS SATISFACTORY.

Part: PSEU — INTERMITTENT (NLG) · airframe 25,880 hrs · 36,352 cycles

FLIGHT CREW REPORTED NOSE GEAR CYCLED DURING CLIMB, MOTOR ENGAGED MULTIPLE LIGHT ILLUMINATE AND HIGH PRESSURE SPIKED. MX CREW FOUND FAULT CODES CODES IN PSEU. R & R PSEU SWUNG GEAR AND OPS CHECK WAS SATISFACTORY.

Part: SELECTOR VALVE — MALFUNCTIONED (MLG) · airframe 25,863 hrs · 36,334 cycles

FLIGHT CREW REPORTED ON GEAR UP SELECTOR, MOTOR CONTINUED TO RUN GEAR UNSAFE LIGHT CYCLED. THEY CYCLED GEAR UP AND DOWN , AND OPERATION WAS NORMAL. MX CREW R & R GEAR SELECTOR VALVE, OPS CHECK WAS SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 25,562 hrs · 35,940 cycles

FLIGHT CREW REPORTED EMERGENCY LIGHT INOPERATIVE. MX CREW R & R ALL EMERGENCY LIGHT BATTERIES. PERFORMED OPS CHECK OF EMERGENCY LIGHT AND OPS CHECK WAS SATISFACTORY. ACFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (ZONE 100) · airframe 25,246 hrs · 35,508 cycles

DURING PRE-FLIGHT INSPECTION, AIRCREW NOTICED THE FORWARD EMERGENCY LIGHTS (ROW 1) INOPERATIVE. GROUND MAINTENANCE CREW REMOVED AND REPLACED THE FORWARD EMERGENCY LIGHT STRIP, PERFORMED OPERATIONAL CHECKS WHICH WERE SATISFACTORY. AIRCRAFT RETURNED TO FLIGHT STATUS.

Part: FMC — DAMAGED (ZONE 100) · airframe 24,998 hrs · 35,168 cycles

DURING FLIGHT, AIRCREW NOTICED THE NR1 FMS SMOKING AND THEN FAILED. GROUND MX CREW REMOVED THE NR1 FMS, INSPECTED THE WIRING AND SURROUNDING COMPARTMENT, RE-INSTALLED THE FMS. DISCREPENCY WAS MEL'D, THE IRU-1 C/B WAS PULLED AND COLLARED. GROUND MX CREW R & R THE NR1 FMS, REMOVED C/B COLLAR AND CLOSED C/B. OPS CHECK WAS PERFORMED SATISFACTORY, ACFT WAS THEN RETURNED TO FLIGHT STATUS.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 24,430 hrs · 34,468 cycles

DURING PRE-FLIGHT INSP, AIRCREW NOTICED THE OVERHEAD EMERGENCY EXIT SIGN AT ROW NR4 NOT ILLUMINATING. MX CREW FOUND THE PS5 EMERGENCY BATTERY PACK TO BE INOPERATIVE. THEY R & R THE EMERGENCY BATTERY PACK PS5, PERFORMED EMERGENCY LIGHT OPS CHECK AND SYS PERFORMED SATISFACTORY. ACFT WAS RETURNED TO FLIGHT STATUS.

Part: BULB — BURNED OUT (EMERGENCY LIGHT) · airframe 24,425 hrs · 34,462 cycles

DURING POST FLIGHT INSP, AIRCREW PERFORMED AN OPS CHECK ON THE EMERGENCY LIGHTING SYS. F/A NOTICED THE REAR OVERHEAD EMERGENCY LIGHT IN-OPERATIONAL. OUTSTATION MX CREW REPLACED THE REAR OVERHEAD LIGHT LAMP, PERFORMED EMERGENCY LIGHTS OPS CHECK WITH SATISFACTORY RESULTS. ACFT WAS RETURNED TO SERVICE FOR NEXT DAY FLIGHT.

Part: BATTERY PACK — UNSECURE (EMERGENCY LIGHTS) · airframe 24,406 hrs · 34,441 cycles

DURING PRE-FLIGHT INSP, AIRCREW PERFORMED EMERGENCY LIGHT OPS CHECK AND NOTICED THAT THE EMERGENCY EXIT SIGN AT ROW 4E WAS INOPERATIVE AS WELL AS EMERGENCY FLOOR LIGHTING SEGMENTS INOPERATIVE AT ROWS 7 THROUGH 8 AND ROW NR1. MX CREW RE-SEATED THE ASSOCIATED BATTERY PACK, PERFORMED OPS CHECK OF EMERGENCY LIGHTING SYS AND THE SYS PERFORMED SATISFACTORILY. ACFT WAS RETURNED TO FLIGHT STATUS.

Part: BULB — BURNED OUT (EMERGENCY LIGHTS) · airframe 24,330 hrs · 34,346 cycles

DURING PRE-FLIGHT, AIRCREW TESTED EMERGENCY LIGHTING SYS AND FOUND THE CTR OVERHEAD EMERGENCY LIGHT INOPERATIVE. MX CREW FOUND LIGHT BULB BURNED OUT. THE MX CREW REPLACED LIGHT BULB, PERFORMED EMERGENCY LIGHTS OPS CHECK, AND THE SYS PERFORMED SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.

Part: TORQUE SENSOR — FALSE ACTIVATION (NR 2 PROP) · airframe 22,417 hrs · 31,912 cycles

AFTER T/O AT 700 FT NR 2 PROP WENT INTO FEATHER. PILOT SHUTDOWN NR 2 ENGINE, DECLARED EMERGENCY, RETURNED TO FIELD (PIT) SAFELY. MAINT CREW FOUND THAT NR 2 TORQUE SIGNAL CONDITIONER FAILED. REMOVED AND REPLACED NR 2 TSCU. PERFORMED A TEST FLIGHT. TEST FLIGHT GOOD. RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 24,782 hrs · 35,330 cycles

PDX - FLIGHT 2040 - AFTER FLIGHT NOTICED FISH ODOR ON FLIGHT DECK. LIKE AN INVERTER FAILURE. MAINTENANCE PERFORMED A 400HZ AC SYSTEM TEST. NO DEFECTS. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED. (A)

Part: STRUCTURE — DAMAGED (CARGO DOOR) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CARGO DOOR UPPER AFT FIBERGLASS CORNER PIECE HAS REINFORCEMENT STRAP INSTALLED EXTERNALLY. REPAIRED IAW SRM 51-40-11.

Part: SKIN — GOUGED (CARGO DOOR) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - THE TOP CENTER CARGO DOOR SKIN HAS A GOUGE 3.5" LONG FROM THE EDGE DOWN. REPAIRED IAW RD8/4-52-029.

Part: STRINGER CLIP — CORRODED (BS 424 S24L) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - REF NON ROUTINE 00234 CORROSION NOTED AT LEFT STRINGER 24 ATTACH CLIP AREA, FORWARD OF FRAME 424.124. REPAIRED IAW SRM 51-20-11, 51-20-26, 51-20-51.

Part: UNKNOWN — UNKNOWN (CARGO DOOR) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CARGO DOOR UPPER FORWARD FIBERGLASS CORNER PIECE HAS REINFORCEMENT STRAP INSTALLED EXTERNALLY. REPAIRED IAW SRM 51-40-11.

Part: STRINGER CLIP — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION FOUND ON END CLIP FOR STRINGER 25 FORWARD OF FRAME 424.124. REPAIRED IAW SRM 51-40-11, 51-20-26.

Part: STRINGER — CORRODED (BS 488 S24) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CORROSION FOUND AT STRINGER 24 FRAME 488, REF NON ROUTINE 00234 FOR WORK PERFORMED IN ERROR AT THIS STRINGER AND FRAME LOCATION. THIS CARD IS REWORK. REPAIRED IAW SRM 51-20-11, 51-40-11, AND 51-20-26.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT LOWER FLANGE OF FRAME X445.50 BETWEEN RIGHT STRINGER 30 AND 31. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-11 AND SRM 51-20-26.

Part: FRAME — CORRODED (BS 436) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT LOWER FLANGE OF FRAME X436.50, BETWEEN LEFT STRINGER 24 AND 25. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-20-26.

Part: FRAME — CORRODED (BS 333) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CABIN UNDER FLOOR LEFT AT FRAME X333.300 AND BETWEN STRINGER 29L AND 30L, AFT SIDE, FRAME CASTELLATION HAS CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-20-26.

Part: SEAT TRACK — CORRODED (BS 201 S31L) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR LEFT AT FRAME X201.300 AND AT STRINGER 31L, STRINGER FITTING TO LEFT SEAT TRACK LOWER CHANNEL SUPPORT HAS CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-20-36.

Part: INTERCOSTAL — CORRODED (BS 424) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT INTERCOSTAL WHICH ATTACHED TO LEFT STRINGER 23, AFT OF FRAME X424.124. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-20-26.

Part: FRAME — CORRODED (BS 201 S31L) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION UNDER FLOOR AT STATION 201 AT STRINGER 31L FITTING CASTING ON VERTICAL FRAME. REPAIRED IAW SRM 51-40-11.

Part: FRAME — CORRODED (BS 467) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CORROSION AT LOWER FORWARD FLANGE X467.00, JUST OUTBOARD OF LEFT STRINGER 26. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-30-26, AND 51-20-51.

Part: SKIN — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT INNER FUSELAGE SKIN JOINT STRAP AROUND RIVETS TAILS JUST AFT OF FRAME X424.00 AND INBOARD OF LEFT HAND STRINGER 24. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-11 AND SRM 51-20-26.

Part: FRAME — CORRODED (BS 467) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT FORWARD LOWER FLANGE OF FRAME X467.00, JUST OUTBOARD OF LEFT STRINGER 24. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-30-26, AND 51-20-51.

Part: SILL — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - MAIN CABIN DOOR LOWER SILL PLATE BOTTOM SIDE HAS CORROSION. REPAIRED IAW SRM 51-40-11.

Part: FRAME — CORRODED (BS 467) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT FORWARD LOWER FLANGE OF FRAME X467.00 JUST OUTBOARD OF LEFT STRINGER 25. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-30-26, AND 51-20-51.

Part: FRAME — CORRODED (BS 467) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CABIN UNDER FLOOR LEFT AT FRAME X467.00 AND BETWEEN STRINGER 29L AND 30L, FRAME CASTELLATION HAS CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-40-11, AND 51-20-51.

Part: FRAME — CORRODED (BS 467 S30-31L) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CABIN UNDER FLOOR LEFT AT FRAME X467.00 AND BETWEEN STRINGER 30L AND 31L, FRAME CASTELLATION HAS CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-30-26.

Part: FRAME — CORRODED (BS 201 S31R) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION UNDER FLOOR AT STATION 201 AT STRINGER 31R FITTING CASTING ON VERTICAL FRAME. REPAIRED IAW SRM 51-40-11.

Part: FRAME — CORRODED (BS 270) · airframe 18,546 hrs · 27,047 cycles

C4 PDX-CABIN UNDER FLOOR LEFT AT FRAME X270.500 AND BETWEEN STRINGER 30L AND 31L, FRAME CASTELLATION CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-40-11, AND 51-20-26.

Part: STRINGER — CORRODED (BS 201 S31L) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR LEFT FORWARD OF FRAME X201.300 AND OUTBOARD OF STRINGER 31L, STRINGER HAS CORROSION AT FASTENERS. REPAIRED IAW SRM 51-20-11, 51-20-26, 51-20-36.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X488.5 AND STRINGER 31L-32L HAS CORROSION ON THE FRAME CASTELLATION AT THE OUTBOARD EDGE. REPAIRED IAW SRM 51-20-11, 51-20-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X488.5 AND STRINGER 31L, THE VERTICAL SEAT RAIL SUPPORT CHANNEL HAS CORROSION ON THE FORWARD SIDE BETWEEN FRAME AND SUPPORT. REPAIRED IAW SRM 51-20-11, 51-20-16.

Part: STRINGER CLIP — CORRODED (FUSLEAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X488.5 AND STRINGER 32L HAS CORROSION ON THE STRINGER ATTACH CLIP SPLICE. REPAIRED IAW SRM 51-20-11, 51-20-16.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X488.5 AND STRINGER 32L - 33 HAS CORROSION ON THE FRAME CASTELLATION. REPAIRED IAW SRM 51-20-11, 51-20-16.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X531.50 AND STRINGER 32R THERE IS CORROSION ON THE STRINGER ATTACH CLIP SPLICE. REPAIRED IAW SRM 51-40-11, 51-20-36 AND 51-20-51.

Part: STRINGER CLIP — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 - PDX CABIN UNDER FLOOR CENTER AT FRAME X488.50 AND STRINGER 32R THERE IS CORROSION ON THE STRINGER CLIP SPLICE. REPAIRED IAW DHC8 SRM 51-20-11, 51-20-26 AND SRM 51-40-11.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CORROSION AT TOP OF LEFT STRINGER 25 JUST AFT OF FRAME X355.950. REPAIRED IAW SRM 51-20-11 AND 51-20-26.

Part: INTERCOSTAL — CORRODED (STRINGER 25L) · airframe 18,546 hrs · 27,047 cycles

C4 - PDX CORROSION AT OUTBOARD SIDE OF LEFT INTERCOSTAL (LEFT STRINGER 25) AROUND PNEUMATIC TUB FITTING FOR MAIN CABIN DOOR SEAL, JUST INBOARD OF MAIN CABIN DOOR LAYSHAFT FORWARD SECTION. REPAIRED IAW DHC-8-200 SRM 51-20-26 AND 51-20-36.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - CABIN UNDER FLOOR CENTER AT FRAME X510.00 AND BETWEEN STRINGER 31R NAD 32R THERE IS CORROSION ON THE FRAME CASTELLATION. REPAIRED IAW DHC-8 SRM 51-40-11, 51-20-36 AND SRM 51-20-51.

Part: SKIN — DENTED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 PDX - THERE IS A DENT AND SCRATCH ON THE TOP OF FUSELAGE AFT OF X222 APPROXIMATELY 3" BETWEEN STRINGERS 5R AND 6R. REPAIRED IAW DHC 8 SRM 51-20-16 AND 1-20-41.

Part: COWL DOOR — CRACKED (RT NACELLE) · airframe 18,546 hrs · 27,047 cycles

C4 - PDX NR 2 RIGHT SIDE ENGINE FORWARD INBOARD SIDE COWL DOOR 423AL HAS A CRACK ON THE UPPER STIFFENER FOR THE OIL ACCESS DOOR. REPLACED IAW DHC-8-200 SRM 51-40-11.

Part: FRAME — CORRODED (FUSELAGE) · airframe 18,546 hrs · 27,047 cycles

C4 - PDX CORROSION AT FRAME FORWARD FLANGE APPROXIMATELY X545.00 JUST OUTBOARD OF RIGHT STRINGER 31. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16, 51-00-01 AND SRM 51-20-51.

Part: INDICATOR — MALFUNCTIONED (HYD SYSTEM) · airframe 18,345 hrs · 26,763 cycles

SEA FLIGHT NR 2026, NR 1 STANDBY HYDRAULIC FLUCTUATING BETWEEN 1 AND 2 THOUSAND PSI. BOTH NR 1 AND NR 2 STANDBY HYDRAULIC INDICATIONS REMAINED AT 3000 PSI AFTER TURNING SWITCHES OFF. REPLACED DUAL HYDRAULIC PRESSURE INDICATOR FOR STANDBY PUMPS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (PUMP LIGHT) · airframe 18,173 hrs · 26,517 cycles

PDX FLIGHT NR 2204 - NR 2 AUX PUMP LIGHT DOES NOT ILLUMINATE AFTER START WITH SWITCH SELECTED ON. LIGHT DOES TEST. MAINTENANCE GROUND RAN AIRCRAFT, CYCLED BOTH AUX PUMPS ON AND OFF SEVERAL TIMES. BOTH LIGHTS OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTACTOR — UNKNOWN · airframe 18,153 hrs · 26,489 cycles

PDX FLIGHT NR 2086 AT COMPLETION OF PUSHBACK UNFEATHERED NR 1 PROP COMPLETED AFTER START FLOW TURNING AUX PUMP ON STANDBY HYD PUMPS ON FLAPS 3. NOTICED NR 2 AUX PUMP INOP BUBLS TEST GOOD. UNFEATHERED NR 2 AND THEN BOTH AUX PUMPS GOOD. FEATHERED NR 2 AND NR 2 AUX PUMP INOP. FUEL TRANSFER RIGHT TO LEFT INOP AS WELL. ALSO, WITH NR 1 PTOP MAX NR 2 PROP FEATHER NR 1 STANDBY HYDRAULIC PRESSURE INOP WITH STANDBY SWITCHES ON. MAINTENANCE INSTALLED NEW LEFT BUSS 2421-K1 CONTACTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL PANEL — ODOR (COCKPIT) · airframe 17,800 hrs · 25,974 cycles

PDX FLIGHT NR 2276 - EXTERNAL POWER CART DROPPED OFF-LINE. ELECTRICAL SMOKE SMELL IN COCKPIT. REMOVED AND REPLACED ALERT AURAL PANEL. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: INTERPHONE — MALFUNCTIONED (CABIN) · airframe 17,319 hrs · 25,286 cycles

GEG FLIGHT NR 2185 UNABLE TO COMMUNICATE WITH FLIGHT ATTENDANT VIA INTERPHONE. MAINTENANCE REPLACED FLIGHT ATTENDANT INTERPHONE PANEL IAW DHC-88-200 AMM 23-40-03, PAGES 401-405. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FUEL HEATER — MALFUNCTIONED (FUEL SYSTEM) · airframe 16,647 hrs · 24,302 cycles

SEA FLIGHT NR 02078 - NR 2 FUEL TEMPERATURE REACH 60C RAN THE "FUEL TEMPERATURE ABNORMAL" CHECKLIST AND TEMPERATURE REDUCED TO 43C. AIRCRAFT WAS IN DESCENT. MAINTENANCE REPLACED THE NR 2 FUEL HEATER THERMAL ELEMENT IAW QX MTC 9730002. OPERATIONAL CHK GOOD. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (WINDSHIELD HEAT) · airframe 15,107 hrs · 22,031 cycles

PDX FLIGHT NR 2159, LEFT WINDSHIELD HOT CAUTION LIGHT ILLUMINATED DURING TAXI OUT. MAINTENANCE REPLACED LEFT WINDSHIELD HEAT CONTROLLER AND PERFORMED OPERATIONAL TEST OF WINDSHIELD HEAT SYSTEM IAW Q200 AMM 30-41-00-710-801. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WINDSHIELD — MALFUNCTIONED (COCKPIT) · airframe 14,849 hrs · 21,663 cycles

IDA FLIGHT NR 2204, LEFT WINDSHIELD HOT CAUTION LIGHT ILLUMINATED. S ELECTOR POSITION WAS IN NORM. MAINTENANCE CONNECTED PILOTS WINDOW TO SPARE SENSOR. REFERENCE DASH8 200 AMM 30-41-00, PAGES 201-203, PARAGRAPH 3A 1 (B) AND PARAGRAPH 4A THROUGHT D. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (WINDSHIELD HEAT) · airframe 14,837 hrs · 21,645 cycles

SEA FLIGHT NR 2027, LEFT WINDSHIELD HOT CAUTION LIGHT ILLUMINATED DURING TAXI. MAINTENANCE REPLACED CAPTAINS WINDSHIELD HEAT CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (WINDSHIELD HEAT) · airframe 14,837 hrs · 21,645 cycles

SEA FLIGHT NR 2199, "LEFT WINDSHIELD HOT" ILLUMINATED DURING TAXI OUT WITH WINDSHIELD HEAT SELECTED TO NORM. MAINTENANCE MEASURED RESISTANCE OF NORM ON OVERHEAD WINDOW TEMP SENSORS AT WINDSHIELD HEAT CONTROLLER. REPLACED RELAYS 3041-K9 ABD K-. REPLACED CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLAP TRACK — DAMAGED (RT WING) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHTHAND WING NR 2 FLAP TRACK UPPER SURFACE OF LOWER TRACK HAS DIVOT, 8 INCHES FROM FORWARD END. REPAIRED IAW RD 8-57-986.

Part: SKIN — DENTED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - THERE ARE TWO PROTRUDING DENTS ON LEFTHAND FUSELAGE EXTERNAL SKIN AT STATION X377.00 AND STRINGER Y31.00. REPAIRED IAW RD 8-53-2797 AND HORIZON AIR EA 2-53-640.

Part: FASTENER — DAMAGED (FLAP TRACK) · airframe 14,833 hrs · 21,639 cycles

PDX - LEFTHAND WING NR 4 FLAP TRACK INBOARD SIDE OF FLAP TRACK HAS EIGHT FASTENER COLLARS THAT HAVE BEEN BLENDED ON. REPLACED IAW DHC-8-202 SRM 51-40-00 AND RD 8-51-102.

Part: FLAP TRACK — CORRODED (LT WING) · airframe 14,833 hrs · 21,639 cycles

PDX - LEFT HAND NR 4 FLAP TRACK HAS PITTING CORROSION ON INBOARD CENTER OF TRACK. REPAIRED IAW RD 8-57-988.

Part: FLAP TRACK — CORRODED (LT WING) · airframe 14,833 hrs · 21,639 cycles

PDX - LEFT HAND NR 5 FLAP TRACK HAS PITTING CORROSION ON OUTBOARD CENTER OF TRACK. REPAIRED IAW RD 8-57-989.

Part: SKIN — GOUGED (LT TE FLAP) · airframe 14,833 hrs · 21,639 cycles

PDX - LEFTHAND OUTBOARD FLAP UPPER INBOARD SKIN IS GOUGED YW173.00. REPAIRED IAW RD 8-57-1022.

Part: SILL — CORRODED (PAD DOORWAY) · airframe 14,833 hrs · 21,639 cycles

PDX - CORROSION ON UNDERSIDE OF PASSENGER DOOR SILL BY NUT PLATES. REPAIRED IAW HORIZON AIR EA 2-53-651.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,933 hrs · 21,639 cycles

PDX - RIGHT INBOARD SEAT TRACK (NR 9) HAS CORROSION INSIDE CHANNEL AND TOP OF TRACK ST FUSELAGE STATION X597. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT INBOARD SEAT TRACK NR 0 HAS PITTING CORROSION INSIDE CHANNEL AND TOP OF TRACK AT STATION X545. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: BRACKET — CRACKED (PAX DOOR SILL) · airframe 14,833 hrs · 21,639 cycles

PDX - MAIN CABIN DOOR SILL BRACKET ON AFT SIDE CRACKED. REPLACED IAW DHC-8-202 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 4 SEAT TRACK HAS DEEP CORROSION ON LEFTHAND FLANGE AT X240. REPLACED SEAT TRACK IAW DHC-8-200 SRM 51-40-00 AND RD 8-53-1102, RD 8-53-4473.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 7 HAS .055 INCH CORROSION PIT AT APPROXIMATELY STATION X240. REPLACED IAW RD 8-53-1102, 8-53-4473 AND DHC-8-202 SRM 51-40-00.

Part: STIFFENER — CRACKED (OIL DOOR) · airframe 14,833 hrs · 21,639 cycles

PDX - OIL SERVICE DOOR ON PANEL 413AL HAS A CRACKED STIFFENER 10 INCHES FROM TOP AND 3.5 INCHES FROM FRONT EDGE. REPAIRED IAW RD 8-71-213.

Part: SUPPORT TUBE — CHAFED (NR 2 NACELLE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 2 ENGINE LOWER OUTBOARD SUPPORT TUBE IS CHAFED IN MULTIPLE SPOTS AT APPROXIMATELY MID POINT. REPAIRED IAW HORIZON AIR EA 2-54-246 AND RD 8-54-2086.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 3 SEAT TRACK HAS LITE SUFRACE CORROSION ON TOP OF LUGS AT X518-X519. REPAIRED IAW RD 8-53-3644, DHC-8-202 SRM 51-40-00 AND SRM 51-40-11.

Part: HINGE — CHAFED (RUDDER) · airframe 14,833 hrs · 21,639 cycles

PDX - SAFETY HINGE AT UPPER RUDDER HINGE FOR FORE RUDDER IS CHAFED AT THE TOP SURFACE APPROXIMATELY .003 TO .005" DEEP. REPAIRED IAW RD 8-55-019.

Part: HINGE — CHAFED (RUDDER) · airframe 14,833 hrs · 21,639 cycles

PDX - LOWER RUDDER HINGE IS CHAFED APPROXIMATELY .020" DEEP ON TOP SURFACE. REPAIRED IAW DHC-8-200 RD 8-55-019.

Part: RIVET — IMPROPER (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIVET IS NOT SHOT CORRECTLY AT STRINGER 22 CLEAT, STATION 426. REMOVED AND INSTALL RIVET IAW DHC-8-200 SRM 51-40-00.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 1 SEAT TRACK HAS CORROSION IN BOTTOM OF CHANNEL AT X282, X297 AND X377. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND 51-20-36

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS SPOTS WITH BARE METAL EXPOSED BETWEEN FUSELAGE STATION X266 AND X541. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 376) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS PITTING CORROSION THAT IS APPROXIMATELY .017' DEEP INSIDE CHANNEL AT STATION X376. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CHAFED (BS 445) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT INBOARD SEAT TRACK NR 8 HAS CHAFE MARKS INSIDE CHANNEL, 10" LONG AREA AT STATION X445. REPAIRED IAW RD 8-53-1339, DHC8-202 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 2 SEAT TRACK HAS CORROSION IN BOTTOM OF CHANNEL AT X436. REPAIRED IAW RD 8-53-1342, DHC-8-202 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT INBOARD SEAT TRACK NR 8 HAS CHAFE MARKS INSIDE CHANNEL, 10" LONG AREA AT APPROXIMATELY STATION X477. REPAIRED IAW RD 8-53-1339, DHC-8-202 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 407) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS CORROSION INSIDE CHANNEL AND LUG HOLE AREA AT STATION 407. REPAIRED IAW RD 8-53-1342, DHC-8-202 SRM 51-20-16 AND SRN=M 51-20-36.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT INBOARD SEAT TRACK NR 8 HAS CHAFE MARKS INSIDE CHANNEL, 10" LONG AREA AT APPROXIMATELY STATION X510. REPAIRED IAW RD 8-53-1337, DHC-8-202 SRM 51-20-16 AND SRM 51-20-36.

Part: FRAME — CORRODED (MLG MOUNT) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT MAIN LANDING GEAR FRAME HAS FRETTING ON AFT SIDE WHERE RETRACT ACTUATOR FITTING MOUNTS, NEAR BOLT HOLES. REPAIRED IAW RD 8-54-1178 AND SRM 51-20-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 1 SEAT TRACK HAS LIGHT SURFACE CORROSION ON TOP OF LUGS AT X266, X296-297, X407, X424. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - NR 2 SEAT TRACK HAS LIGHT SURFACE CORROSION ON TOP OF LUGS AT X438-440, X471, X501. REPAIRED IAW RD 8-53-1342, DHC-8-202 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 427) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS PITTING CORROSION INSIDE CHANNEL MEASURING APPROXIMATELY .012" DEEP AT STATION 427. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOBARD SEAT TRACK NR 10 HAS CORROSION INSIDE CHANNEL AT LUG HOLE AREA AT STATION X365. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 545) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 12 HAS A CIRCULAR CHAFE MARK INSIDE CHANNEL AT STATION 545. REPAIRED IAW RD 8-53-3644, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 343) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS CORROSION INSIDE CHANNEL AT STATION 343. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS CORROSION AROUND LUG HOLE AT STATION X266. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,833 hrs · 21,639 cycles

PDX - RIGHT OUTBOARD SEAT TRACK NR 10 HAS CORROSION AROUND LUG HOLE AT STATION X280. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-20-16 AND 51-20-36.

Part: BATTERY — MALFUNCTIONED (ZONE 200) · airframe 14,151 hrs · 20,588 cycles

PSC - TWO RED EMERGENCY LIGHTS ON NR 2 FLOOR STRIP INOPERATIVE. REMOVED AND REPLACED EMERGENCY BATTERY PACK PS6. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (ENGINES) · airframe 14,113 hrs · 20,532 cycles

SEA FLIGHT NR 2298, NR 1, NR 2 ENGINE MANUAL CAUTION LIGHT ILLUMINATED. RESET CIRCUIT BREAKER FOR BETA LOCKOUT. CAUTION WENT AWAY. NO DEFECT NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (ENGINES) · airframe 14,113 hrs · 20,532 cycles

NR 1 AND NR 2 ENGINE MANUAL CAUTION LIGHTS ILLUMINATED. MAINTENANCE RESET CIRCUIT BREAKER FOR BETA LOCKOUT. CAUTION WENT AWAY. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SOLENOID VALVE — MALFUNCTIONED (LT MLG DOOR) · airframe 13,857 hrs · 20,154 cycles

DURING CRUISE (225 KNOTS), LT MLG DOOR OPENED FULLY. GEAR HANDLE WAS IN THE "UP" POSITION. PERFORMED ALTERNATE GEAR EXTENSION AND LANDED WITHOUT FURTHER INCIDENT. ACFT FERRIED FOR REPAIRS. MX REPLACED SOLENOID VALVE. OPS CHECKS GOOD. ACFT RETURNED TO SERVICE.

Part: RELAY — INOPERATIVE (ZONE 100) · airframe 13,073 hrs · 18,943 cycles

PDX - EMERGENCY LIGHTS STAYED ON DURING THE ENTIRE FLIGHT. MAINTENANCE REMOVED AND REPLACED 2431 K6 RELAY IN DC CONTACTOR BOX. CYCLED GROUND POWER AND VERIFIED OPERATION OF RELAY AND OPERATION OF THE EMERGENCY LIGHTS. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — FAILED (FUEL SHUTOFF) · airframe 13,039 hrs · 18,894 cycles

FLT RETURNED TO FIELD WHEN THE CREW WAS UNABLE TO TRANSFER FUEL FROM THE RIGHT TANK. MAINTENANCE INSPECTED THE SYSTEM AND THEN REPLACED THE REFUEL/DEFUEL SHUT-OFF VALVE ACTUATOR ASSEMBLY. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 12,920 hrs · 18,707 cycles

SEA - UPON INSPECTION MAINTENANCE, FOUND FORWARD AIRSTAIR EMERGENCY EXIT SIGN INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND PERFORMED OPERATIONAL CHECKS. OPERATIONAL CHECKS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: POTENTIOMETER — OUT OF ADJUST (AUTOFEATHER SYS) · airframe 11,912 hrs · 17,232 cycles

ABORTED TAKEOFF DUE TO AUTOFEATHER DID NOT ARM WITH TAKEOFF POWER SET AND 70 KNOTS OF AIRSPEED INDICATED. ADJUSTED NR 1 AND NR 2 AUTOFEATHER ARMING POTENTIOMETERS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — INOPERATIVE (ZONE 300) · airframe 11,584 hrs · 16,716 cycles

SEA - ON FLIGHT NUMBER 2248, ABORTED TAKEOFF, RUDDER FULL PRESSURE CAUTION LIGHT ILLUMINATED INTERMITTENTLY IN FLIGHT. THERE WAS NO OTHER CAUTION LIGHT OBSERVED. REMOVED AND REPLACED PRESSURE SWITCH. RUDDER FULL PRESSURE CAUTION LIGHT STAYED OFF. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 11,232 hrs · 16,181 cycles

PDX - EMERGENCY CEILING LIGHTS NR 1 AND NR 3 FORWARD AND AFT ARE INOPERATIVE. REMOVED AND REPLACED NR 1 AND NR 2 EMERGENCY LIGHT BATTERIES.

Part: RELAY — FAILED (ZONE 200) · airframe 11,129 hrs · 16,025 cycles

SEA - ON FLIGHT 2176 EMERGENCY LIGHTS CIRCUIT BREAKERS C3 AND L1 ARE TRIPPED. REMOVED AND REPLACED EMERGENCY LIGHTS POWER RELAYS K3 AND K4. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: O-RING — LEAKING (POPPET VALVE) · airframe 10,731 hrs · 15,397 cycles

PDX - FUEL WAS FOUND LEAKING FROM THE NR 2 ENGINE NACELLE. MAINTENANCE INSPECTED THE AREA AND RESEATED THE FUELING ADAPTER POPPET VALVE O-RING. NO OTHER DEFECTS WERE NOTED AND NO PARTS WERE REPLACED. OPERATIONAL CHECKS WERE PERFORMED AND WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PSEU — MALFUNCTIONED (ZONE 700) · airframe 10,483 hrs · 15,024 cycles

DURING CLIMBOUT THROUGH 9000 FT NOSE GEAR CYCLED DOWN AND UP. ALL INDICATIONS WERE NORMAL. GEAR INDICATIONS WERE UP AND LOCKED AS NORMAL PRIOR TO THE GEAR CYCLING. GEAR CAME DOWN AND LOCKED WITH THREE GREEN ON THE PANEL AND FLOOR. REMOVED AND REPLACED PSEU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: O-RING — OUT OF POSITION (FUEL SYSTEM) · airframe 10,368 hrs · 14,854 cycles

PDX- ON FLIGHT 2044 FUEL LEAK AT SPR. RESET AND SEATED BLUE O-RING ON FUELING ADAPTER POPPET VALVE. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATOR — WILL NOT TEST (ZONE 200) · airframe 10,210 hrs · 14,621 cycles

ON FLIGHT 2037 DURING APPROACH RT MAIN GEAR GREEN DOWN LIGHT DID NOT ILLUMINATE WHEN GEAR WAS EXTENDED. GEAR CONFIRMED DOWN THROUGH ALTERNATE EXTENSION LIGHTS. RT MAIN GEAR DOWN LIGHT WILL NOT TEST. AIRCRAFT LANDED WITHOUT INCIDENT. CYCLED GEAR UP AND DOWN, FUNCTIONED NORMALLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — BURNED OUT (MLG INDICATOR) · airframe 10,210 hrs · 14,621 cycles

ON FLIGHT 2140 DURING APPROACH RIGHT MAIN GEAR GREEN DOWN LIGHT DID NOT ILLUMINATE WHEN GEAR WAS EXTENDED. GEAR CONFIRMED DOWN THROUGH ALTERNATE EXTENSION LIGHTS. RIGHT MAIN GEAR DOWN LIGHT WILL NOT TEST. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED RIGHT HAND MAIN LANDING GEAR DOWN INDICATION BULBS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 10,175 hrs · 14,573 cycles

ON FLIGHT 2199 EMERGENCY EXIT LIGHT BENEATH FLIGHT ATTENDENT'S COMMUNICATION PANEL IS INTERMITTENT. REMOVED AND REPLACED EXIT LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: POPPET VALVE — LEAKING (ZONE 100) · airframe 10,055 hrs · 14,394 cycles

PDX- ON FLIGHT 2136 SMALL FUEL LEAK NEAR HINGE POINT OF REFUELING DOOR. FOUND POPPET VALVE UNDER FUEL CAP NOT SEATED CORRECTLY. RESEATED VALVE. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CHECK VALVE — LEAKING (ZONE 400) · airframe 9,937 hrs · 14,206 cycles

ON FLIGHT 2058 ONE DRIP PER SECOND COMING FROM SPR AREA. FUEL MADE 12 INCH PUDDLE IN 10 MINUTES TIME. FOUND CHECK VALVE OFF CENTER ON SPR. REPOSITIONED CHECK VALVE. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DENTED (ZONE 200) · airframe 9,838 hrs · 14,053 cycles

DENT IN LT SIDE OF FUSELAGE JUST AFT OF ICE SHIELD AT STATION X333.000. DENT IN FIVE INCHES FROM WINDOW OPENING. REPAIRED IAW DHC-8 RD 8-53-5384, SRM 51-00-05 AND HORIZON AIR EA 2-53-466.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 1 SEAT TRACK HAS TOP SURFACE CORROSION AT STATION X405.737. REPAIRED IAW DHC-8 RD 8-53-1342 AND SRM 51-00-06.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 1 SEAT TRACK AT STATION X376.100 HAS TOP SURFACE CORROISON. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: DOUBLER — DAMAGED (T/E FLAP) · airframe 9,838 hrs · 14,053 cycles

PDX- LEFT OUTBOARD FLAP TOP INBOARD EDGE HAS A DEEP CUT IN FLAP ON PREVIOUS REPAIR. REPAIRED IAW DHC-8 RD 8-57-1549, 8-57-1734 AND SRM 51-20-26.

Part: SEAT TRACK — GROOVED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 4 SEAT TRACK HAS A GROOVE IN THE LOWER SURFACE AT STATION X531.00. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 1 SEAT TRACK HAS TOP SURFACE CORROSION AT STATION X342.250. REPAIRED IAW DHC-8 RD 8-53-1342 AND SRM 51-00-06.

Part: SEAT TRACK — GROOVED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 6 SEAT TRACK HAS A GROOVE IN THE LOWER TRACK SURFACE AT STATION 533.04. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: SEAT TRACK — GROOVED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 12 SEAT TRACK HAS A GROOVE IN THE LOWER SURFACE AT STATION X545.00. REPAIRED IAW DHC-8 RD 8-53-3644.

Part: BOLT — LOOSE (GUST LOCK) · airframe 9,838 hrs · 14,053 cycles

PDX- ELEVATOR GUST LOCK JO-BOLTS CONNECTING THE ARM ASSEMBLY TO THE BUMPER STEP ASSEMBLY IS LOOSE. REPAIRED IAW DHC-8 RD 8-55-112 AND SRM 27-70-11.

Part: SEAT TRACK — GROOVED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 9 SEAT TRACK HAS A GROOVE IN THE LOWER SURFACE AT STATION X543.000. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: SEAT TRACK — GROOVED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 5 SEAT TRACK HAS A GROOVE IN THE LOWER SURFACE AT STATION X520.000. REPAIRED IAW DHC-8 RD 8-53-1339.

Part: FRAME — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- CORROSION ON BOTTOM FLANGE OF FRAME X545 INBOARD OF STRINGER 31R BELOW NR 9 SEAT TRACK. REPAIRED IAW DHC-8 SRM 51-20-11, 51-00-06, 51-40-11 AND 51-20-56.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 9,838 hrs · 14,053 cycles

PDX- LEFT WING NR 4 FLAP TRACK HAS PITTING ON INBOARD SIDE OF TRACK, FORWARD END OF RAIL. REPAIRED IAW HORIZON AIR EA 2-57-2277 AND DHC-8 SRM 51-00-08.

Part: STRUT — GOUGED (ZONE 700) · airframe 9,838 hrs · 14,053 cycles

RT HAND MAIN LANDING GEAR SHOCK STRUT AXLE IS GOUGED ON OUTBOARD AXLE. REPAIRED IAW DHC-8 RD 8-32-498 AND SRM 51-20-36.

Part: DOOR FRAME — DAMAGED (CARGO DOOR) · airframe 9,838 hrs · 14,053 cycles

PDX- CARGO DOOR EDGE FRAME FOR TOP OF DOOR AT FORWARD CORNER IS DAMAGED ON INSIDE RADIUS. REPAIRED IAW DHC-8 SRM 51-20-11, 51-00-04, 51-20-36, AND 51-20-16.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 9,838 hrs · 14,053 cycles

PDX- RIGHT MAIN LANDING GEAR WHEEL BAY FORWARD AT TWO OCLOCK FIREWALL IS CRACKED. REPAIRED IAW DHC-8 RD 8-54-109 AND SRM 51-00-06.

Part: DOOR FRAME — CRACKED (CARGO DOOR) · airframe 9,838 hrs · 14,053 cycles

PDX- CARGO DOOR UPPER AFT CORNER INSIDE VERTICAL FRAME AT CONNECTION TO FIRST CROSS FRAME HAS A DRILL GOUGE WITH A CRACK. REPAIRED IAW DHC-8 SRM 51-00-06, 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 7 SEAT TRACK HAS NUMEROUS AREAS OF PITTING CORROSION FROM STATIONS X215.500 TO X234.500. REPAIRED IAW DHC-8 RD 8-53-1102, SRM 51-40-00 AND 51-20-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,838 hrs · 14,053 cycles

PDX- NR 4 SEAT TRACK HAS CORROSION ALONG RIVETS FOR ALUMINUM TRAY AT STATIONS X215.500 TO X222.00. REPAIRED IAW DHC-8 RD 8-55-1002, SRM 53-40-11, 51-20-16 AND 51-20-36.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 9,764 hrs · 13,939 cycles

PSC- FORWARD CABIN OVERHEAD AND FORWARD RIGHT HAND EMERGENCY EXIT SIGNS ARE INOPERATIVE. REMOVED AND REPLACED BATTERY PACK AT POSITION PS2. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — FAILED (ZONE 200) · airframe 9,172 hrs · 13,046 cycles

SEA- RIGHT HAND AFT OUTSIDE EMERGENCY LIGHT, AFT OVERHEAD EMERGENCY LIGHT, AND CENTER OVERHEAD EXIT SIGN ARE INOPERATIVE. REMOVED AND REPLACED NR 5 EMERGENCY BATTERY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STRUCTURE — CRACKED (ZONE 100) · airframe 9,139 hrs · 12,993 cycles

PDX-BOTTOM DAMAGE ON STRUCTURE AND STARTING TO CRACK AT RIGHT HAND EMERGENCY DOOR. REPAIRED IAW DHC-8 SRM 51-20-11 AND SRM 51-00-06.

Part: WARNING LIGHT — ILLUMINATED (ZONE 300) · airframe 8,775 hrs · 12,452 cycles

SEA ON FLIGHT 2090- DURING STRAIGHT AND LEVEL FLIGHT SPOILER 1 PUSH-OFF LIGHT ILLUMINATED INTERMITTENTLY FOR SEVERAL MINUTES. PUSHED IT OFF AS PER CHECKLIST. REMOVED AND REPLACED MATRIX BLOCK AND PINS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: OIL SYSTEM — OVERSERVICED (NR 1 ENGINE) · airframe 8,470 hrs · 12,034 cycles

PDX ON FLIGHT 2131- FLIGHT ATTENDANT REPORTED A ODOR THAT SMELLED LIKE BURNING OIL IN FORWARD PART OF CABIN AFTER ENGINE START. FOUND NR 1 ENGINE OIL OVER SERVICED APPROXIMATELY 1 QUART. REMOVED EXCESS OIL FROM ENGINE. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LANDING GEAR — MALFUNCTIONED (NLG & MLG) · airframe 7,724 hrs · 10,959 cycles

SEA - AIRCRAFT RETURNED TO FIELD WHEN AFTER TAKEOFF, THE GEAR FAILED TO RETRACT. MAINTENANCE INSPECTED THE AIRCRAFT AND PERFORMED EXTENSION AND RETRACTION OPERATIONAL AND FUNCTIONAL CHECKS IAW DHC MM 32-30-00-720-801. NO PARTS WERE CHANGED AND NO DEFECTS WERE NOTED. COULD NOT DUPLICATE. AIRCRAFT WAS RETURNED TO SERVICE.

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 7,632 hrs · 10,818 cycles

PDX-RIGHT HAND FUSELAGE AFT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 7,569 hrs · 10,725 cycles

SEA- SMOKE WARNING LIGHT ILLUMINATED IN CARGO HOLD. NO SIGN OF SMOKE WHEN OPENED CARGO DOOR. NO BLEED SMOKE, NO ELECTRICAL OVERLOAD INDICATED, DC/AC METER. REMOVED AND REPLACED NR 1 CARGO SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE WARNING — FALSE ACTIVATION (COCKPIT) · airframe 7,493 hrs · 10,615 cycles

SEA- ON TAXI OUT SMOKE WARNING LIGHT ILLUMINATED WITH NO MASTER WARNING LIGHTS. RETURNED TO GATE. NO SMOKE PRESENT IN AFT CARGO BAY AFTER SHUTDOWN. NR 1 & 2 SMOKE DETECTORS TEST GOOD. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WING — LEAKING (LEFT) · airframe 7,274 hrs · 10,275 cycles

PDX- LEAKING FUEL RESIDUE NOTED AT 3 RIVETS ON TOP SIDE OF THE LT WING, CLOSE TO THE WING AND NACELLE AT STATION YW189.000 & THE FRONT SPAR X384.500. REPAIRED IAW DHC-8 SRM 51-40-11 AND APPLIED PR1422B 1/2 SEALANT.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE FRAME 210.0 THERE IS A .025 PIT IN SKIN BETWEEN STRINGERS 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 387, STRINGER 33 FOWARD OF COVER PLATE THERE IS A PITTED SKIN MARK. REPAIRED IAW HORIZON AIR EA. 2-53-398. AND DHC-8 SRM 57-20-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 371 AND STRINGER 32R THERE IS 2 PITTED SKIN MARKS. REPAIRED IAW HORIZON AIR EA. 2-53-398 AND DHC-8 SRM 51-20-11.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE SKIN THERE IS A .004 INCH PIT IN SKIN BETWEEN STRINGER 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE FRAME 204.0 THERE IS A .004 INCH PIT IN SKIN BETWEEN STRINGER 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — BURNED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-BETWEEN STATION 165 AND STATION 173 THERE ARE 3 BURN MARKS. REPAIRED IAW HORIZON AIR EA. 2-53-398 AND DHC-8 SRM 51-20-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 327, STRINGER 33 THERE IS A PITTED MARK. REPAIRED IAW HORIZON AIR EA. 2-53-398 AND DHC-8 SRM 51-20-11.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE FRAME 149.0 TO 165.4 THERE ARE 4 PITS IN SKIN BETWEEN STRINGERS 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE STATION 140.359 TO 144.86 THERE ARE 3 PITS IN SKIN BETWEEN STRINGERS 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE FRAME 123.9 TO 131.354 THERE ARE 3 PITS IN SKIN BETWEEN STRINGERS 23RT AND 28RT. REPAIRED IAW HORIZON AIR EA 2-53-398.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 291, STRINGER 33 THERE IS A PITTED SKIN MARK. REPAIRED IAW RD8-53-2181 AND DHC-8 SRM 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 428, STRINGER 33 THERE IS A PITTED SKIN MARK. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 333 AND STRINGER 32L THERE IS 2 PITTED SKIN MARKS. REPAIRED IAW RD8-53-2181 AND DHC-8 SRM 51-40-11.

Part: RIVET — BURNED (FUSELAGE SKIN) · airframe 11,801 hrs · 16,074 cycles

PDX-BETWEEN STATION 527 AND STATION 607 THERE ARE 6 BURNED RIVET HEADS. REPAIRED IAW DHC-8 SRM 51-40-11

Part: SKIN — BURNED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 418, STRINGER 33 HAS A BURN MARK. REPAIRED IAW RD8-53-2181 AND DHC-8 SRM 51-40-11.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 7,189 hrs · 1,054 cycles

PDX- AT FUSELAGE SKIN 120.86 BETWEEN STRINGER 23RT AND 28RT THERE IS A .0025 INCH PIT IN THE SKIN. REPAIRED IAW DHC-8 SRM 51-20-11.

Part: SKIN — DAMAGED (ELEVATOR) · airframe 7,189 hrs · 1,054 cycles

PDX- RIGHT HAND ELEVATOR OUTBOARD TRAILING EDGE HAS DAMAGE NEAR OUTBOARD STATIC WICK. REPAIRED IAW DHC-8 RD 8-55-938.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 312, STRINGER 33 AND STRINGER 32L THERE IS 2 PITTED RIVET HEADS. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 11,801 hrs · 16,074 cycles

PDX-AT STATION 439, STRINGER 33 THERE IS A PITTED SKIN MARK. REPAIRED IAW RD8-53-2181 AND DHC-8 SRM 51-40-11.

Part: INVERTER — INOPERATIVE (COCKPIT) · airframe 6,250 hrs · 8,776 cycles

PDX- ACRID SMELL NOTICED IN COCKPIT. AFTER TROUBLE SHOOTING FOUND #1 INVERTER TO BE EMITTING ODOR. REMOVED AND REPLACED #1 INVERTER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STRUT — GOUGED (NR 1 NACELLE) · airframe 6,166 hrs · 8,657 cycles

PDX - NR 1 ENGINE INBOARD LOWER THRUST STRUT IS GOUGED AND CHAFED. REPAIRED IAW DHC-8-200 RD 8-54-036.

Part: BATTERY — DISCHARGED (CABIN) · airframe 6,005 hrs · 8,421 cycles

SEA- ROW 1 AFT SET OF RED FLOOR LIGHTS INOPERATIVE. REPLACED NUMBER 2 EMERGENCY LIGHTS BATTERY AND POWER SUPPLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 5,786 hrs · 8,095 cycles

SEA - OUTSIDE RIGHT EMERGENCY LIGHT, CABIN CENTER EXIT SIGN, AND AFT CABIN OVERHEAD EMERGENCY LIGHTS ARE INOPERABLE. REPLACED BATTERY PACK. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RUDDER — DAMAGED (VERTICAL STAB) · airframe 4,979 hrs · 6,931 cycles

SEA - DENT IN VERTICAL STABILIZER SECTION OF RUDDER. DENT DETERMEND TO BE OUT OF LIMITS. AFFECTED DAMAGED AREA REMOVED AND REPAIRED IN ACCORDENCE WITH STRUCTERAL REPAIR MANUAL 55-40-28. THIS DEEMED A REQUIRED INSPECTION ITEM. INSPECTION COMPLIED WITH. MAJOR REPAIR FOUND TO BE AIRWORTHY. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — OUT OF RIG (CARGO BAY) · airframe 4,891 hrs · 6,811 cycles

PDX - BAGGAGE DOOR LOWER PORTION IS UNDER FLUSH WITH AIRCRAFT PRESSURIZED. REPAIRED IAW HORIZON AIR EA 2-52-101.

Part: COWLING — CHAFED (LEFT) · airframe 4,891 hrs · 6,811 cycles

PDX - LEFT-HAND LOWER COWL LEFT-HAND CENTER CHAFE PAD CHAGED. REPAIRED IAW HORIZON AIR EA 2-71-142. AND RD 8-71-018.

Part: COWLING — CHAFED (RIGHT) · airframe 4,891 hrs · 6,811 cycles

PDX - LEFT-HAND LOWER COWL RIGHT-HAND CENTER CHAFE PAD CHAFED. REPAIRED IAW HORIZON AIR EA 2-71-142 AND RD 8-71-018.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 9 SEAT TRACK HAS LIGHT FRETTING IN BOTTOM OF CHANNEL FROM BULKHEAD ANCHOR AT STATION 539.00. REPAIRED IAW HORIZON AIR EA 2-53-283.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 6 SEAT TRACK HAS LIGHT FRETTING IN BOTTOM OF CHANNEL FROM BULKHEAD ANCHOR AT STATION X539.00. REPAIRED IAW HORIZON AIR EA 2-53-282.

Part: COWLING — CHAFED (RT PYLON) · airframe 4,891 hrs · 6,811 cycles

PDX - RIGHT-HAND LOWER COWL, INBOARD DOOR 423AL FORWARD APERTURE FLANGE ON LOWER COWL STRUCTURE IS CHAFED .625 INCHES LENGTH, .187 INCHES WIDE AND .025 DEEP, LOCATED APPROXIMATELY 3.5" BELOW UPPER LATCH CUT-OUT. REPAIRED IAW DHC-8 SRM 51-40-00 AND HORIZON AIR EA 2-71-140.

Part: STOP — SCORED (PAX DOOR) · airframe 4,891 hrs · 6,811 cycles

PDX - TOP FORWARD AIRSTAIR STOP BOLT BRACKET IS SCORED ON LOWER SIDE. REPAIRED IAW HORIZON AIR EA 2-52-97.

Part: HARNESS — CHAFED (LT WING) · airframe 4,891 hrs · 6,811 cycles

PDX - WIRE BUNDLE CHAFING AGAINST LEFT-HAND WING LEADING EDGE SPAR, YW199.4, APPROXIMATELY .003" DEEP, 1/2 INCH LONG, .1 INCH WIDE. REPAIRED IAW HORIZON AIR EA 2-57-110.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - CORROSION ON TOP SURFACE OF INBOARD AND OUTBOARD LUGS OF NR 11 SEAT TRACK AT STATION X486.50. REPAIRED IAW DHC-8 SRM 51-20-36.

Part: PAN — CRACKED (RT COWL) · airframe 4,891 hrs · 6,811 cycles

PDX - RIGHT-HAND LOWER COWL, FORWARD LEFT-HAND CORNER OF SUMP PAN IS CRACKED. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: STRUCTURE — DAMAGED (RT WING TE FLAP) · airframe 4,891 hrs · 6,811 cycles

PDX - RIGHT-HAND WING, OUTBOARD FLAP, UPPER SURFACE IS CHAFED APPROXIMATELY .015. REPAIRED IAW HORIZON AIR EA 2-57-109 AND RD 8-57-1022, STEP 12.

Part: SPAR CAP — CHAFED (WING) · airframe 4,891 hrs · 6,811 cycles

PDX - LOWER, LEADING EDGE SPAR CAP CHAFED AT YW57-60, AT LEADING EDGE PANEL 611AR, INBOARD ATTACH POINT. REPAIRED IAW RD 8-57-811, STEP 4, PAGE 3.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 7 SEAT TRACK HAS SEVERAL DEEP PITS IN TOP FLAT SURFACE BETWEEN STATION X201.300 AND X252.300. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 4 SEAT TRACK HAS SEVERAL DEEP PITS IN TOP FLAT SURFACE BETWEEN STATIONS X201.300 AND X252.300. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - FUSELAGE SKIN SCRATCHED AROUND PERIMETER OF MOUNTING BASES FOR NR 1 RAD ALT SYSTEM, FORWARD AND AFT ANTENNAS. REPAIRED IAW DHC-8 SRM 53-10-11 AND SRM 51-20-26.

Part: ANGLE — DAMAGED (RT WING) · airframe 4,891 hrs · 6,811 cycles

PDX - TRAILING WING ANGLE AT RIGHT-HAND YW171.4 HAS BEEN BENT BY CONTACTING SOMETHING. REPAIRED IAW HORIZON AIR EA 2-57-109.

Part: TRUNNION — DAMAGED (NR 2 EXHAUST) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 2 EXHAUST INBOARD TRUNNION TRACK IS GROOVED .050 . REMOVED AND REPLACED TRUNNION TRACK. INSTALLED 4 BOLTS AND SAFETY WIRED.

Part: STRUCTURE — CHAFED (LT WING TE FLAP) · airframe 4,891 hrs · 6,811 cycles

PDX - TOP SURFACE OF LEFT-HAND OUTBOARD FLAP, CHAFING, YW174.0, APPROXIMATELY .003 DEEP, 1.4 LONG, WIDE. REPAIRED IAW RD 8-57-1022.

Part: ANGLE — DAMAGED (LT WING) · airframe 4,891 hrs · 6,811 cycles

PDX - TRAILING WING ANGLE AT LEFT-HAND WING AT YW171.4 IS CHAFED. REPAIRED IAW HORIZON AIR EA 2-57-109.

Part: NUT PLATE — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NUTPLATES UNDER AIRSTAIR DOOR THRESHOLD ARE CORRODED. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 10 SEAT TRACK HAS LIGHT CORROSION IN BOTTOM OF CHANNEL AT STATION X343.00 - 345.00. REPAIRED IAW DHC-8 CPM CHAPTER 5.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - LIGHT CORROSION IN BOTTOM OF SEAT PEG CHANNEL OF NR 11 SEAT TRACK, AT STATION X387.35. REPAIRED IAW DHC-8 CPM, CHAPTER 5.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 10 SEAT TRACK HAS LIGHT CORROSION IN BOTTOM OF CHANNEL AND TOP OF OUTBOARD LUG AT STATION X375.950. REPAIRED IAW CPM CHAPTER 5.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 3 SEAT TRACK HAS LIGHT FRETTING IN BOTTOM OF CHANNEL FROM BULKHEAD ANCHOR AT STATION X539.00. REPAIRED IAW DHC-8 CPM, CHAPTER 5.

Part: SKIN — DAMAGED (CARGO DOOR) · airframe 4,891 hrs · 6,811 cycles

PDX - LOWER FUSELAGE SKIN BELOW CARGO DOOR HAS A AREA OF DAMAGE DUE TO CARGO NET SUPPORT ROD IMPACTING FUSELAGE. REPAIRED IAW DHC-8 SRM 51-20-51.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,891 hrs · 6,811 cycles

PDX - NR 1 SEAT TRACK HAS LIGHT CORROSION ON TOP OF INBOARD AND OUTBOARD LUGS AT STATION X278.00. REPAIRED IAW DHC-8 CPM CHAPTER 5.

Part: MODULE — FAILED (FIRE WARNING) · airframe 4,796 hrs · 6,680 cycles

PDX- ON SHORT FINAL, NR 2 ENGINE "FAULT B" LIGHT ILLUMINATED. PLACED ON RSI 322870. (REPLACED #2 ENGINE FIRE DETECTION CONTROL UNIT. NO HELP.) ON 5/16/01 REPLACED NR 2 SWITCHING VALVE CASE SEALING TUBE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 4,715 hrs · 6,563 cycles

PSC - UPON INSPECTION, FOUND FIRST TWO LIGHTS ON FLOOR PATH LIGHTING INOP. REMOVED AND REPLACED LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE.

Part: CABLE — MALFUNCTIONED (PAX DOOR) · airframe 4,105 hrs · 5,701 cycles

MFR- MAIN CABIN DOOR OPENS ABOUT 1 FOOT AND THEN STOPS. WILL NOT OPEN FURTHER. REMOVED AND REPLACED MAIN CABIN DOOR COUNTER BALANCE CABLE ON DOOR AND AFT DRUM. ADJUSTED BALANCE SYSTEM IAW DHC MM 52-10-00. AIRCRAFT RETURNED TO SERVICE. OPERATIONAL CHECK GOOD.

Part: SIGN — INOPERATIVE (COCKPIT) · airframe 3,211 hrs · 4,455 cycles

PDX- EMERGENCY LIGHT IN COCKPIT DOES NOT ILLUMINATE. REPLACED EMERGENCY COCKPIT LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (COCKPIT) · airframe 2,288 hrs · 3,198 cycles

PDX- EMERGENCY LIGHT IN COCKPIT IS ILLUMINATED WITH EMERGENCY LIGHTS SWITCH AT ARM POSITION. REMOVED AND REPLACED LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 1,804 hrs · 2,495 cycles

PSC- DURING CRUISE HAD MASTER WARNING CHECK FIRE DETECTOR AND NR 2 FAULT B LIGHTS ILLUMINATED. AFTER 15-20 SECONDS LIGHT WENT OUT. REMOVED AND REPLACED LOOP B ENGINE FIRE OVERHEAT SENSING ELEMENT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.