N361PH

Part: O-RING — NOT REPORTED (NR 1 ENGINE) · airframe 37,229 hrs · 50,142 cycles

NR 1 ENG OIL PRESS LOW ENG SHUT DOWN IN FLT. R&R NR 1 ENGINE A/C GEN O-RINGS. PERFORMED ENGINE RUNS.

Part: BELLCRANK — DEFECTIVE (NLG DOOR) · airframe 36,681 hrs · 49,498 cycles

NLG DOOR AMBER LIGHT ILLUMINATED DOOR HALF OPEN. ALL 3 GREEN DOWN AND LOCKED LIGHTS ILLUMINATED. REPLACED NLG DOOR BELL CRANK ASSY. OPS CHECK SAT.

Part: DOOR SILL — CORRODED · airframe 36,655 hrs · 49,470 cycles

CORROSION FOUND AROUND DRAIN LOCATED UNDER PASSENGER DOOR SILL. CORROSION BLENDED IAW SRM 51-20-11.

Part: SKIN — DENTED (CARGO DOOR) · airframe 36,655 hrs · 49,470 cycles

LARGE SCRATCH AND DENT NEAR BOTTOM OF CARGO DOOR REPAIR. REPAIRED THE SKIN ASSEMBLY IAW RD 8-52-230.

Part: THRESHOLD — CORRODED (PAX DOORWAY) · airframe 36,655 hrs · 49,470 cycles

CORROSION FOUND ON LOWER SILL OF PASSENGER DOOR FRAME. REPLACED DOOR THRESHOLD. SRM 51-10-00.

Part: SKIN — CRACKED (PAX DOOR) · airframe 36,655 hrs · 49,470 cycles

CRACK FOUND INSIDE AIR STAIR DOOR SKIN AT LOWER FWD ATTACHMENT POINT. REPAIRED.

Part: SKIN — CORRODED · airframe 36,655 hrs · 49,470 cycles

CORROSION FOUND ON FWD AND AFT SKIN TO EDGE BEAM ANGLE. CORROSION REMOVED AND REPAIRED IAW SRM 51-20-16

Part: FRAME — CRACKED (NOT REPORTED) · airframe 36,655 hrs · 49,470 cycles

CRACK FOUND ON THE FRAME WHERE PANEL 262AT ATTACHES. REPAIRED IAW SRM 51-42-05.

Part: SKIN — GOUGED (BS 557) · airframe 36,655 hrs · 49,470 cycles

TWO SMALL GOUGES AT BS 557.5, STRINGERS 23 - 24L. REPAIRED IAW 51-13-01 AND SRM 53-00-16. RD 8-53-15198.

Part: STRUCTURE — DENTED (BS 564) · airframe 36,655 hrs · 49,470 cycles

SMALL DENT BS 564, STRINGERS 27-28S. RAISED/REPAIRED.

Part: STRUCTURE — GOUGED (BS 204) · airframe 36,655 hrs · 49,470 cycles

SMALL GOUGE AT BS 204.5, STRINGERS 28 - 29R. REPAIRED IAW 51-13-01, AND 53-00-16.

Part: FAIRING — PUNCTURED (WING TO BODY) · airframe 36,655 hrs · 49,470 cycles

RIGHT FWD WING TO FUSELAGE FAIRING PUNCTURED. REPAIRED IAW SRM 51-70-00, 53-70-28, 51-20-26, AND 51-20-36.

Part: STRUCTURE — GOUGED (BS 555) · airframe 36,655 hrs · 49,470 cycles

GOUGE AT BS 555.5 STR 27-28P. RAISED/REPAIRED.

Part: FAIRING — DELAMINATED (NACELLE) · airframe 36,655 hrs · 49,470 cycles

DELAMINATION OF THE EXTERNAL PLIES OF THE NACELLE TAIL FAIRING. REPAIRED PER RD 8-54-1917.

Part: STRUCTURE — DENTED (BS 559) · airframe 36,655 hrs · 49,470 cycles

TWO SMALL DENTS ADJACENT TO EACH OTHER JUST OFF OF STRINGER 29P, BS 559.5. RAISED/REPAIRED.

Part: STRUCTURE — GOUGED (BS 218) · airframe 36,655 hrs · 49,470 cycles

SMALL GOUGE AT BS 218.50, STRINGERS 28 - 29R. REPAIRED IAW 51-13-01, AND 53-00-16.

Part: PROXIMITY SENSOR — DEFECTIVE (NLG) · airframe 36,487 hrs · 49,273 cycles

NOSE GEAR GREEN DOWN AND LOCK ON LANDING GEAR PANEL INTERMITTENT. R & R PROX SENSOR. PERFORMED GEAR SWINGS SEVERAL TIMES IAW AMM 32-30-00. OPS CHECK SAT NO FAULT DETECTED.

Part: SELECTOR — INOPERATIVE (MLG) · airframe 35,370 hrs · 47,944 cycles

SMOKE IN THE COCKPIT FROM MLG PANEL. R & R THE MLG SELECTOR UNIT. OPS CHECKED SAT.

Part: UNKNOWN — SMOKE (COCKPIT) · airframe 35,351 hrs · 47,919 cycles

SMOKE IN THE COCKPIT WHEN NR 2 BLEED TURNED ON AFTER START. CHECKED ACM FOR LEAKS, NONE FOUND. CHECKED ACM OIL LEVEL. FOUND TO BE SAT. PERFORMED ENGINE RUNS WITH BLEEDS ON. NO SMOKE OR FUMES NOTED.

Part: STOP — DEFECTIVE (CABIN DOOR) · airframe 35,077 hrs · 47,607 cycles

UNABLE TO OPEN MAIN CABIN DOOR. R & R MAIN CABIN DOOR HANDLE STOP.

Part: BATTERY — DISCHARGED (CABIN) · airframe 34,655 hrs · 47,143 cycles

EMERGENCY LIGHTING WILL NOT ILLUMINATE. R & R EMER LIGHT BATTERIES.

Part: BATTERY — DISCHARGED (CABIN) · airframe 34,130 hrs · 46,548 cycles

FLIGHT ATTENDANT EMER LIGHTS WILL NOT TEST. R & R 6 EACH EMER LIGHT BATTERIES, PS 1 - PS 6.

Part: BATTERY — DISCHARGED (CABIN) · airframe 33,790 hrs · 46,149 cycles

OVERHEAD EMER LIGHT AT ROW 4 INOPERATIVE. R & R BATTERIES & POWER SUPPLY PS2.

Part: BATTERY — DISCHARGED (CABIN) · airframe 33,790 hrs · 46,149 cycles

OVERHEAD EMER LIGHTS ABOVE GALLEY INOPERATIVE. R & R ALL EMER BATTERIES & POWER SUPPLIES PS2.

Part: BATTERY — DISCHARGED (CABIN) · airframe 33,790 hrs · 46,149 cycles

EMERGENCY LIGHT OVER MAIN CABIN DOOR INOPERATIVE. R & R BATTERIES & POWER SUPPLY PS2.

Part: UNKNOWN — UNKNOWN · airframe 33,191 hrs · 45,437 cycles

AT 10,000 FEET, AIRSPEED 215 KTS VIOLENTLY DIVED WITH AUTO PILOT ENGAGED. VIBRATION DECREASED AS AIRSPEED DECREASED. FOUND DAMAGE 325AL & 325. R & R PANELS, DVI HORIZONTAL & VERTICAL STAB, NO DAMAGE FOUND.

Part: LIGHT — MISSING (CABIN) · airframe 33,104 hrs · 45,327 cycles

RED STRIP MISSING FROM FLOOR LIGHTING PROXIMITY EMERGENCY ESCAPE PATH MARKING SYS ROW 1. R & R RED STRIP.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 32,847 hrs · 45,019 cycles

SEVERAL EMERGENCY LIGHTS INOPERABLE. R & R PS & PS3.

Part: CONNECTOR — UNSECURE (SMOKE WARNING) · airframe 32,454 hrs · 44,554 cycles

SMOKE WARNING LIGHT FLICKED ON AND OFF IN FLIGHT. TIGHTENED CONNECTOR, SAFETIED AND PERFORMED OPS CHECK.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 31,723 hrs · 43,630 cycles

DURING PREFLIGHT, THE CREW REPORTED THAT ONE RED FLOOR EMERGENCY WAS INOP. MX REPLACED THE ASSOCIATED BATTERY AND ALL OPS CHECKS WERE SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 31,710 hrs · 43,616 cycles

DURING PREFLIGHT, IT WAS REPORTED THE EMERGENCY EXIT SIGN ABOVE THE MAIN CABIN DOOR WAS NOT ILLUMINATING DURING TESTING. MX R & R THE BATTERY FOR THE SIGN. ALL OPS CHECKS WERE SATISFACTORY.

Part: BATTERY — DISCHARGED (EMERGENCY LIGHTS) · airframe 31,349 hrs · 43,176 cycles

CREW REPORTED THAT THE EMERGENCY LIGHTS WERE INOPERATIVE WHEN THEY ARRIVED AT THE ACFT. THEY ALSO FOUND THE EMERGENCY LIGHT SWITCH IN THE ON POSITION. MX CREW REPLACED ALL 6 OF THE EMERGENCY LIGHT BATTERIES.

Part: SWITCH — DIRTY · airframe 30,864 hrs · 42,575 cycles

CREW REPORTED THAT THE MASTER CAUTION FLASHER WOULD NOT CANCEL. GROUND MX CREW CLEANED THE CONTACT SWITCH. ALL OPS CHECKED PRODUCED SATISFACTORY RESULTS.

Part: SENSOR — INOPERATIVE (OIL TEMP) · airframe 30,889 hrs · 42,608 cycles

DURING CRUISE FLIGHT, CREW REPORTED THAT THE NR 1 ENGINE OIL TEMP WAS HIGH. GROUND MX R & R THE OIL TEMP SENSOR. ALL OPS CHECKS WERE SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 30,658 hrs · 42,332 cycles

MX CREWS OBSERVED MULTIPLE CABIN EMERGENCY LIGHTS NOT ILLUMINATING DURING A ROUTINE TEST. THE EMERGENCY LIGHT BATTERIES WERE R & R AND ALL OPS CHECKS WERE SATISFACTORY.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 29,279 hrs · 40,602 cycles

EMERGENCY EXIT SIGN FAILED TO ILLUMINATE DURING A TEST. GROUND MX CREW R & R THE PS2 BATTERY POWER SUPPLY. AN OPS CHECK PRODUCED SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 29,279 hrs · 40,602 cycles

EMERGENCY EXIT SIGN FAILED TO ILLUMINATE DURING A TEST. GROUND MX CREW R & R THE PS2 BATTERY POWER SUPPLY UNIT. AN OPS CHECK PRODUCED SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHT) · airframe 28,769 hrs · 39,963 cycles

DURING PRE-FLIGHT INSP, AIRCREW FOUND THAT THE EMERGENCY LIGHTS WOULD NOT TEST. AIRCREW PLACED THE EMERGENCY LIGHT SWITCH IN THE "ARM" POSITION AND ALLOWED THE EMERGENCY LIGHT BATTERY PACKS TO CHARGE. THEY PERFORMED AN OPS CHECK AND SYS CHECKED SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.

Part: BATTERY — DISCHARGED (EMERGENCY LIGHT) · airframe 28,413 hrs · 39,511 cycles

FLIGHT CREW REPORTED ON LOG PAGE 1604 THAT THE EMERGENCY CEILING LIGHTS WERE INOPERATIVE. MX CONTROL INFORMED THEM TO GROUND RUN THE ACFT FOR 30 MINUTES TO CHARGE THE BATTERIES PERFORMED, OPS CHECK SATISFACTORY.

Part: BULB — INOPERATIVE (EMERGENCY LIGHTS) · airframe 28,356 hrs · 39,438 cycles

FLIGHT CREW REPORTED THAT THE EMERGENCY LIGHTS NEAR ROW 9 CEILING ARE NOT WORKING. MX R & R THE LIGHT BULBS PERFORMED, OPS CHECKED SATISFACTORY.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,242 hrs · 39,292 cycles

FLIGHT CREW REPORTED EMERGENCY CREW REPORTED CEILING LIGHTS ARE NOT WORKING. MX REPLACED BULB, PERFORMED OPS CHECK SATISFACTORY.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 28,146 hrs · 37,180 cycles

FLIGHT CREW REPORTED EMERGENCY LIGHT STRIP NOT WORKING. MX COULD NOT DUPLICATE, OPS CHECK WAS SATISFACTORY.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 28,151 hrs · 39,186 cycles

FLIGHT CREW REPORTED EMERGENCY LIGHT FORWARD FLOOR STRIP LIGHT NOT WORKING. MX CREW TESTED EMERGENCY LIGHT AND COULD NOT DUPLICATE. PERFORMED OPS CHECK WAS SATISFACTORY.

Part: BULB — UNSECURE (EMERGENCY LIGHT) · airframe 28,095 hrs · 39,113 cycles

FLIGHT CREW REPORTED CEILING EMERGENCY LIGHT NOT WORKING AT ROW 9. MX CREW RESEATED BULB IN THE LIGHT SOCKET. OPS CHECK WAS SATISFACTORY.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 27,962 hrs · 38,962 cycles

FLIGHT CREW REPORTED EMERGENCY LIGHT AT RT UNDER WING EXIT AND IN THE CEILING AT ROW 9 ARE NOT WORKING. MX CREW R & R BATTERIES PS4 AND PS5. PERFORMED OPS CHECK, OPS CHECK WAS SATISFACTORY.

Part: POTENTIOMETER — SHORTED (AILERON TRIM) · airframe 26,344 hrs · 36,852 cycles

ON T/O CLIMB OUT ACFT HAD AN UNCOMMANDED ROLL. TRIM SWITCH UNRESPONSIVE, PERFORMED UNCOMMANDED ROLL CHECKLIST, NO OTHER ACTION TAKEN. MX FOUND THAT THE AILERON TRIM POTENTIOMETER WAS SHORTED. REPLACED POTENTIOMETER. OPS CHECK SATISFACTORY.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 25,724 hrs · 36,071 cycles

DURING PRE-FLIGHT FORWARD RIGHT RED EMERGENCY FLOOR LIGHTS DID NOT COME ON. REMOVED AND REPLACED LIGHT STRIP. OPS CHECK SATISFACTORY.

Part: BATTERY PACK — SHORTED (EMERGENCY LIGHTS) · airframe 25,264 hrs · 35,487 cycles

DURING PRE-FLIGHT TRIED TO TEST EMERGENCY LIGHTS, THEY DID NOT COME ON. RECHARGED SYS IAW MX CONTROL. SYS CHECKED SATISFACTORY.

Part: FUEL CELL — LEAKING (LT WING) · airframe 25,250 hrs · 35,466 cycles

AT ROTATION ANOTHER ACFT SAID THEY SAW FUEL LEAKING FROM THE LT WING. RETURNED TO FIELD, THE FIRE TRUCKS DID NOT SEE ANY THING OUT OF OUT OF ORDER. MX DID A GVI OF THE ACFTS FUEL SYS, FOUND NOTHING. THIS ACFT WAS RELEASED. NO OTHER PROBLEMS HAVE OCCURRED.

Part: BATTERY — DISCHARGED (EMERGENCY LIGHTS) · airframe 21,426 hrs · 30,867 cycles

EMERGENCY LIGHTING INOP. FOUND THAT EMERGENCY LIGHTING’S BATTERIES (6 EA) WERE DISCHARGED. REPLACED BATTERIES OPS CK SAT.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 21,382 hrs · 30,824 cycles

LAV SERVICING TRUCK BACKED INTO ACFT WHILE PARKED AT GATE. RE AND TORN SKIN IAW REPAIR DOCUMENT 01-12-07 REV 1R. MFG DAMAGE TOLERANCE REVIEW-INSP AT 40,000 FLTS WITH EDDY CURRENT (LOW AND HIGH FREQ).

Part: TSCU — MALFUNCTIONED (AUTOFEATHER SYS) · airframe 20,493 hrs · 29,760 cycles

YVR FLIGHT NR 2151 - AUTO FEATHER FAILED TO ARM. REPLACED TSCU'S ON NR 1 AND NR 2 ENGINES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — MALFUNCTIONED (AUTOFEATHER SYS) · airframe 2,483 hrs · 29,748 cycles

SEA FLIGHT NR 2033 - ON TAKEOFF ROLL OUT OF SEA, AUTOFEATHER FAILED TO ARM, TAKEOFF WAS ABORTED AT APPROXIMATELY 65 KTS. COMPLIED WITH AUTO FEATHER ARMING POTENTIOMETER ADJUSTMENT/TEST. NO ADJUSTMENT OF POTENTIOMETERS REQUIRED. REPLACED 6121-K5 RELAY/COMPLIED WITH FUNCITON CHECK OF THE AUTO FEATHER SYSTEM. AIRCRAFT RETURNED TO SERVICE.

Part: HANDSET — INOPERATIVE (INTERCOM) · airframe 19,889 hrs · 28,864 cycles

PDX FLIGHT NR 2227 - FA UNABLE TO HEAR COMMUNICATION FROM FLIGHT DECK. CAPTAIN AND FO PA WORK OK. FLIGHT DECK ABLE TO HEAR FA. MAINTENANCE REPLACED FA HANDLE ASSEMBLY. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LINE — LEAKING (HYD SYSTEM) · airframe 19,329 hrs · 28,060 cycles

SEA - ON FLIGHT 2024, RETURNED TO GATE, WHEN PERFORMING FLUID MIGRATION THE NR 2 HYDRAULIC QUANTITY DROPPED BELOW TWO QUARTS AND KEPT DROPPING AFTER PROCEDURE WAS STOPPED, PROPS WERE OUT OF FEATHER. MAINTENANCE FOUND PIN HOLE LEAKS IN NR 2 MAIN LANDING DOOR CLOSE HYDRAULIC LINE ABOVE NR 2 MAIN LANDING DOOR SEQUENCE VALVE/SOLENOID. REPLACED HYDRAULIC LINE. NO LEAKS NOTED DURING ENGINE RUNS. AIRCRAFT RETURNED TO SERVICE.

Part: PIN — BACKED OUT (CONNECTOR) · airframe 19,306 hrs · 28,030 cycles

YVR - ON FLIGHT 2260, RETURNED TO GATE. RIGHT WINDSHIELD CAUTION LIGHT ILLUMINATED. MAINTENANCE FOUND PIN V ON CONNECTOR 9811-P32 PUSHED BACK. PIN RESEATED AND FUNCTION CHECKS CARRIED OUT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - TEMPORARY REPAIR FOR LIGHTNING STRIKE AT STATION X167.00 BETWEEN STRINGERS 30 AND 31 CHERRY FASTENER INSTALLED IAW RD 8-53-65013 REQUIRES PERMANENT REPAIR. REPAIRED IAW RD 8-53-6798.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - LEFT OUTBOARD SEAT TRACK NR 3 HAS APPROXIMATELY 1" CIRCULAR SPOT OF CORROSION INSIDE CHANNEL AT APPROXIMATELY FUSELAGE STATION X544. REPAIRED IAW DHC8-200 SRM 51-40-11, 51-40-00 AND RD 8/51/102.

Part: FRAME — DAMAGED (BS 450) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - HOLE DAMAGE AT FRAME STATION X450.00 2 1/2" INBOARD OF STRINGER 23L. REPAIRED IAW RD 8-53-9367.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FUSELAGE STRINGER 24L HAS CORROSION AROUND (8) RIVETS ON TOP SIDE, AFT SIDE OF FRAME X510. REPAIRED IAW DHC-8-200 SRM 51-40-00 AND SRM 51-40-11.

Part: SKIN — DAMAGED (BS 424) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - 1 1/4" SCRATCH, APPROXIMATELY .002" DEEP ON EXTERIOR SKIN LEFT SIDE OF FUSELAGE BELOW STRINGER 24L AND APPROXIMATELY 1/2" FORWARD OF STATION X424. REPAIRED IAW DHC-8-200 SRM TASK 51-20-26, 51-20-11, 51-20-16, 51-20-36 AND RD 8-53-5384.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 19,189 hrs · 27,863 cycles

C4 PEX - RIGHT WING NR 4 FLAP TRACK INBOARD SIDE HAS PITTING AND CORROSION ON ROLLER SURFACE. REPAIRED IAW RD 8-57-988.

Part: STRINGER — CORRODED (BS 312) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - STRINGER 30R IS CORRODED AT FRAME STATION X312 AT RIVET. REPAIRED IAW RD 8-53-9358.

Part: SKIN — CORRODED (FUSLEAGE) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - SUSPECT CORROSION ON UNDERFLOOR SKIN AND CORNER RIVET AT STATION 00 AND STRINGER 31R. REPAIRED IAW SRM 51-20-11, 51-20-36, 51-20-26.

Part: WEB — CORRODED (BS 510) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FUSELAGE WEB ABOVE STRINGER 24L HAS CORROSION AROUND (2) RIVETS AND CUT OUT AREA AT AFT END AT FUSELAGE STATION X510. REPAIRED IAW DHC-8-200 SRM 51-40-16 AND SRM 51-40-11.

Part: FRAME — CORRODED (BS 649) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FRAME X649.897 AT FLOOR LEVEL Z111.5 AND Y28R (RT AFT CORNER OF UPPER CARGO AREA) HAS SMALL CHAFE MARK ON TOP FLANGE OF FRAME. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-20-36, 51-20-51 AND RD 8-53-9351.

Part: FITTING — CORRODED (BS 424 S24L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - CORROSION AT THE LEFT STRINGER 24 END FITTING FORWARD OF AFT SPAR FRAME 424.124. REPAIRED IAW EA2-53-791 AND SRM 51-20-16, 51-20-36, 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - LEFT OUTBOARD SEAT TRACK BOX STRUCTURE TOP SIDE AT STRINGER 23L HAS 13" LONG AREA WITH SPOTS OF CORROSION AROUND (13) RIVETS BETWEEN FUSELAGE STATION X5100 - X524. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SKIN — DAMAGED (EMERGENCY EXIT) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT FORWARD EMERGENCY EXIT EXTERIOR SKIN HAS A BURN MARK AT A RIVET FROM LOWER FORWARD CORNER OF WINDOW CUTOUT. REPAIRED IAW RD8-53-5384 AND RD8-52-871.

Part: STRINGER — CORRODED (BS 424) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - FUSELAGE STRINGER 24L HAS CORROSION ON AND AROUND (6) RIVETS APPROXIMATELY 4" AFT OF FUSELAGE FRAME 424.124. REPAIRED IAW DHC-8-200 SRM 51-40-11, 51-20-36 AND HORIZON AIR EA 2-53-790.

Part: FASTENER — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - SEVERAL RIVET BUCK TAILS HAVE CORROSION IN BETWEEN STATIONX 43650. - 445.50 ALONG STRINGER 31R IN CABIN UNDERFLOOR. REPAIRED IAW DHC-8-200 SRM 51-20-26 AND SRM 51-40-11.

Part: SKIN — GOUGED (VERTICAL STAB) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SIDE VERTICAL STAB SKIN HAS A GOUGE AT LOWER FORWARD CORNER OF ACCESS PANEL 322GR. REPAIRED IAW SRM 51-20-11 AND RD8-55-1774.

Part: SKIN — DAMAGED (EMERGENCY EXIT) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT FORWARD EMERGENCY EXIT HAS A NICK IN THE EXTERIOR SKIN 1/4" FROM THE WINDOW CUTOUT, LOWER FORWARD CORNER. REPAIRED IAW RD8-52-871 AND RD8-53-5384.

Part: SKIN — CHAFED (RT WING) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - CHAFE DAMAGE ON RIGHT WING UPPER SKIN DOUBLERS AROUND AFT INBOARD AND OUTBOARD SCREW HOLES FOR PANEL 422ET. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-36 AND 51-20-51.

Part: SKIN — GOUGED (VERTICAL STAB) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - RIGHT SIDE VERTICAL STAB SKIN HAS A GOUGE APPROXIMATELY 2" LONG AT LOWER FORWARD CORNER OF ACCESS PANEL 322GR OPENING. REPAIRED IAW RD 8-55-1774 AND SRM 51-20-11.

Part: SEAT TRACK — CORRODED (BS 202 S31L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - VERTICAL SEAT TRACK SUPPORT BEAM AT STATION 202 STRINGER 31L REQUIRES REMOVAL FOR FURTHER CORROSION INVESTIGATION. REPAIRED IAW SRM 51-40-11.

Part: SEAT TRACK — CORRODED (BS 394) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT OUTBOARD SEAT TRACK IS CORRODED AT STATION X394.14. REPAIRED IAW RD8-53-1342.

Part: SEAT TRACK — CHAFED (BS 445-456) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SEAT TRACK NR 8 IS CHAFED BETWEEN STATION X445.0 AND X456.0. REPAIRED IAW RD8-53-1339.

Part: SEAT TRACK — CORRODED (BS 422-426) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT OUTBOARD SEAT TRACK HAS CORROSION BETWEEN X422 AND X426. REPAIRED IAW RD8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - NR 1 SEAT TRACK, TOP OF LUG RAILS HAVE LIGHT SURFACE CORROSION AT X374. REPAIRED IAW DHC-8-200 SRM 51-20-36 AND RD 8-53-1342.

Part: SEAT TRACK — CHAFED (BS 496-510) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SEAT TRACK NR 8 CHAFED BETWEEN STATION X496.0 AND X510.0. REPAIRED IAW RD8-53-1339.

Part: SEAT TRACK — GOUGED (BS 534-537) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SEAT TRACK NR 9 HAS A GOUGE ON THE BASE BETWEEN STATION X534.0 AND X537.0. REPAIRED IAW RD8-53-4936.

Part: SEAT TRACK — CORRODED (BS 202 S31L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FRAME AT STATION 202 IS CORRODED BEHIND SEAT TRACK SUPPORT BEAM BEHIND VERTICAL TRACK SUPPORT BEAM AT STRINGER 31L. REPAIRED IAW SRM 51-20-00, 51-20-11.

Part: SEAT TRACK — CORRODED (BS 327) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT OUTBOARD SEAT TRACK IS CORRODED AT X327.3. REPAIRED IAW RD8-53-1342.

Part: SEAT TRACK — GOUGED (BS 340-345) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SEAT TRACK IS GOUGED BETWEEN X340 AND X345. REPAIRED IAW RD8-53-1342.

Part: SEAT TRACK — CHAFED (BS 477-484) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT SEAT TRACK NR 8 IS CHAFED BETWEEN STATION X477.0 AND X484.0. REPAIRED IAW RD8-53-1339.

Part: SEAT TRACK — CHAFED (BS 448-450) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT OUTBOARD SEAT TRACK NR 11 HAS CHAFE BETWEEN STATION X448.0 AND 450.0. REPAIRED IAW RD8-53-1342.

Part: SEAT TRACK — GOUGED (BS 536-539) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT OUTBOARD SEAT TRACK NR 12 IS GOUGED IN BASE BETWEEN STATION X536 AND X539. REPAIRED IAW RD8-53-1342.

Part: SKIN — CORRODED (BS 201) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FUSELAGE SKIN SPLICE PLATE IS CORRODED AT RIVET STATION X201.5 BETWEEN STRINGER 31L AND LONGITUDINAL AVIONICS RACK SUPPORT BEAM. REPAIRED IAW SRM 51-20-11, 51-20-41.

Part: BRACKET — DAMAGED (BS 487 S24L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - LEFT ANGLE BRACKET ON BOTTOM LEFT SIDE OF FRAME AT X487 INBOARD OF STRINGER 24L REQUIRES REMOVAL TO FOM ACCESS SHEET METAL REPAIR. REPAIRED IAW SRM 51-40-11.

Part: SUPPORT BEAM — CORRODED (BS 202 S31L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - AVIONICS RACK VERTICAL SUPPORT BEAM AT STATION X202 AND STRINGER 31L HAS CORROSION ON FORWARD SIDE AT BASE. REPAIRED IAW SRM 51-40-00, 51-20-00, AND 51-20-11.

Part: BEAM — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - LONGITUDINAL BEAM AT BASE OF AVIONICS RACK SUPPORT STRUCTURE IS CORRODED AT MULTIPLE LOCATIONS ALONG LOWER FLANGE X182 TO X202, YL2.25L. REPAIRED IAW SRM 51-20-11 AND RD 8-53-9355.

Part: FRAME — CORRODED (BS 488 S32-33R) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FUSELAGE FRAME X488.500 CONNECTION ANGLE TO BELLY SKIN HAS CORROSION AROUND RIVETS, BETWEEN STRINGER 33 AND 32R. REPAIRED IAW SRM 51-20-11, 51-40-11, 51-20-16.

Part: DOOR — DAMAGED (GALLEY) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - HINGE MOUNT EXTENSION FOR GALLEY TRASH CAN ACCESS DOOR HAS A SCREW BROKEN OFF IN THE BOTTOM MOUNT HOLE. REPAIRED IAW DRILLED OUT BROKEN SCREW AND REMOVED THE DAMAGED INSERT AND INSTALLED A NEW INSERT IN ITS PLACE.

Part: SHEAR TIE — CORRODED (BS 488 S32L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FUSELAGE FRAME X488.500 CONNECTION ANGLE TO BELLY SKIN HAS CORROSION AROUND RIVETS AT OUTBOARD END, JUST INBOARD OF STRINGER 32L. REPAIRED IAW SRM 51-20-11, 51-20-16, 51-40-11.

Part: STRINGER SPLICE — CORRODED (BS 488) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FUSELAGE STRINGER 24L SPLICE ANGLE AT FUSELAGE STATION X488.500 HAS CORROSION ON TOP SIDE APPROXIMATELY 8" LONG. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-40-11 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (BS 215-219) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - RIGHT INBOARD SEAT TRACK IS CORRODED BETWEEN STATION X215 AND X219. REPAIRED IAW RD8-53-4698, RD8-53-1102, AND RD8-53-4473.

Part: SEAT TRACK — CORRODED (BS 457 S23L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - LEFT OUTBOARD SEAT TRACK BOX SUPPORT STRUCTURE TOP SIDE AT STRINGER 23L HAS CORROSION AROUND 2 RIVET TAILS AT FS X457. REPAIRED IAW SRM 51-20-11, 51-20-36, 51-40-11.

Part: FRAME — CORRODED (BS 488 S23L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FUSELAGE FRAME X488.500 FORWARD ATTACH CLIP TO STRINGER 23L HAS CORROSION AROUND INBOARD RIVET. REPAIRED IAW SRM 51-20-11, 51-20-16, 51-40-11.

Part: SEAT TRACK — CORRODED (BS 484 S23L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - LEFT OUTBOARD SEAT TRACK BOX STRUCTURE TOP SIDE AT STRINGER 23L HAS 3" LONG AREA WITH SPOTS OF CORROSION AT FS X484. REPAIRED IAW SRM 51-20-11, 51-20-36, 51-20-16.

Part: WEB — CORRODED (BS 445 S23L) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - WEB ALONG TOP SIDE OF STRINGER 23L HAS CORROSION AROUND 4 RIVETS AT AFT SIDE OF FUSELAGE FRAME 445.500. REPAIRED IAW SRM 51-20-11, 51-20-36, AND 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - LIGHT SURFACE CORROSION AT INNER FUSELAGE SKIN SPLICE STRAP AFT OF AFT SPAR FRAME X124 AND BEHIND LEFT STRINGER FITTING 24. REPAIRED IAW SRM 51-20-11, 51-20-16.

Part: FRAME — CORRODED (BS 202 S30-31R) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - FORWARD SIDE OF FRAME CORRODED AT STATION X202 BETWEEN STRINGER 30R AND 31R. REPAIRED IAW SRM 51-20-11, 51-20-16, 51-20-36.

Part: FRAME — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FUSELAGE FRAME X445 HAS CORROSION AROUND (4) RIVETS AND ON FRAME CLIP BETWEEN STRINGER 24L AND 25L JUST BELOW LEFT OUTBOARD SEAT TRACK. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-26 AND 51-20-36.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - THREE OF THE FASTENER HOLES FOR THE ENTRY WAY FLOOR AT THE MAIN CABIN DOOR THRESHOLD ARE CORRODED. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SILL — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - LIGHT SURFACE CORROSION ON TOP AND BOTTOM OF LOWER SILL PLACE. REPAIRED IAW RD 8/53*8921.

Part: SUPPORT — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - LEFT OUTBOARD SEAT TRACK BOX SUPPORT STRUCTURE TOP SIDE AT STRINGER 23L HAS CORROSION AROUND (3) RIVET HEADS AT FUSELAGE STATION X460. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - LEFT OUTBOARD SEAT TRACK SUPPORT BOX STRUCTURE HAS CORROSION AROUND (4) RIVETS AND ON FRAME CLIP AFT SIDE OF FRAME X445.500 AND STRINGER 23L ALONG UPPER OUTBOARD EDGE OF STRINGER. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - NR 5 SEAT TRACK INBOARD FLANGE AT CAMLOCK RECEPTICAL HOLE AT X433.00 HAS CORROSION AROUND HOLE. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - OUTBOARD FLOOR SUPPORT ANGLE FOR GALLEY TIE DOWN POINT HAS CORROSION AT STATION X241.00 AND Z102.35 AT Y41.5R. REPAIRED IAW RD 8-53-9347.

Part: ATTACH FITTING — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - GALLEY OUTBOARD FORWARD ATTACH POINT HAS CORROSION. REPAIRED IAW DHC-8-200 SRM 51-40-00, 51-20-11 ANND RD 8-53-9347.

Part: FRAME — CORRODED (BS 649) · airframe 19,189 hrs · 27,863 cycles

C4 PDX - FRAME X649.897 AT FLOOR LEVEL Z111.5 AND Y28L (LT AFT CORNER OF UPPER CARGO AREA) HAS CORROSION ON TOP LEG OF FRAME. REPAIRED IAW DHC-8-200 SRM 51-20-11 AND RD 8-53-9346.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - NR 4 SEAT TRACK OUTBOARD FLOOR SUPPORT FLANGE HAS CORROSION ON TOP SIDE FROM X222 - 228. REPAIRED IAW RD 8-53-4698 AND RD 8-53-4473.

Part: FLOOR SUPPORT — CORRODED (BS 510-531) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - AFT CABIN FLOOR OUTBOARD SUPPORT WEB BETWEEN FRAME X510 AND X531 HAS 9 SPOTS OF SURFACE CORROSION ALONG WEB ATTACHED TO STRINGER 24L. REPAIRED IAW SRM 51-20-11, 51-20-36.

Part: STRINGER SPLICE — CORRODED (BS 486-490) · airframe 19,189 hrs · 27,863 cycles

PDX C4 - FUSELAGE STRINGER 23L SPLICE ANGLE TOP SIDE HAS CORROSION AT (5) PLACES ON BOTH SLEGS OF ANGLE BETWEEN FUSELAGE STATION X486 - 490. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: FITTING — CORRODED (MLG) · airframe 19,233 hrs · 27,924 cycles

C4 PDX - LEFT MAIN LANDING GEAR RETRACTION ACTUATOR FITTING FOOTPRINT ON H BRACE HAS 2 AREAS OF LIGHT CORROSION ABOVE TOP BOLT HOLE AND INBOARD OF INBOARD HOLE. REPAIRED IAW RD8-54-1178, SRM 51-20-16, 51-20-36.

Part: STARTER GEN — MALFUNCTIONED (NR 2) · airframe 19,128 hrs · 27,777 cycles

FLIGHT NR 2030 NR 2 DC GENERATOR MASTER CAUTION ILLUMINATED. RAN CHECKLIST. COULD NOT RESET. MAINTENANCE PRELACED NR 2 DC STARTER GENERATOR IAW MTC 9801001. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE

Part: SUPPORT BRACKET — CRACKED (CARGO DOOR) · airframe 19,051 hrs · 27,669 cycles

PDX - CARGO DOOR AFT DRUM CABLE SUPPORT BRACKET HAS 1" CRACK. REPLACED CARGO DOOR AFT DRUM CABLE SUPPORT BRACKET USING NEW BRACKET AND ORIGINAL ATTACH HARDWARE. OPERATIONAL CHECK GOOD. AIRCRA NO DEFECTS NOTED. NO PARTS REPLACED AIRCRAFT RETURNED TO SERVICE.FT RETURNED TO SERVICE.

Part: ODOR — DETECTED (COCKPIT) · airframe 18,876 hrs · 27,414 cycles

SEA FLIGHT NR 2136, CREW NOTICED UPON COCKPIT ENTRY UNUSUAL (BUT TOLERABLE) ODOR (MILDEW, SPOILED MILK) FLIGHT ATTENDANT NOTIFIED CREW DURING CLIMB, PASSENGER AND FLIGHT ATTENDANT WERE COMPLAINING OF PUNGENT NEARLY INTOLERABLE ODOR. MAINTENANCE INSPECTED COCKPIT AND CABIN FOR OBVIOUS SMELLS. GROUND RAN ENGINES FOR 10 MINUTES WITH AIRFLOW NO OBVIOUS SMELL OBSERVED. OK FOR CONTINUED SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 18,546 hrs · 26,938 cycles

PDX FLT NR 2040, ON ENGINE START OF NR 2 ENG AND AFTER SELECTING NR 2 BLEED ON, F/A AND FLT DECK CREW NOTICED SMOKE IN CABIN AND COCKPIT. ABORTED THE START ASSUMING EXHAUST MAY HAVE ENTERED WITH TAIL WIND AND GAVE SECOND START ATTEMPT. LEFT THE NR 2 BLEED OFF FOR ABOUT 30 SECONDS AND NO SMOKE APPEARED UNTIL SELECTED THE NR 2 BLEED ON. ABORTED AND SHUTDOWN NR 2 ENGINE. AFTER DEPLANING TRIED A 3RD START WITH BLEEDS OFF. THEN SELECTED NR 1 BLEED ON AFTER NR 1 ENGINE START AND NO SMOKE. MAINTENANCE COMPLIED WITH BOMBARDIER SERVICE LETTER DH8-SL-21-027. GROUND RAN NR 2 ENGINE WITH BLEED ON AT VARIOUS TEMP SETTINGS FOR 40 MINUTES. NO ABNORMAL ODORS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CHECK VALVE — MALFUNCTIONED (HYD SYS) · airframe 18,192 hrs · 26,402 cycles

SEA - ON FLIGHT 2133, DIVERTED FROM SEA-EUG, TO PDX, NR 2 RUD HYDRAULIC CAUTION LIGHT WITH ASSOCIATED LIGHTS ON SHORT FINAL. MAINTENANCE, REMOVED AND REPLACED CHECK VALVE. SERVICED AND BLED NR 2 HYDRAULIC SYSTEM. NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — MALFUNCTIONED (HYD PUMP) · airframe 17,937 hrs · 26,035 cycles

PDX FLIGHT NR 2080, AFTER TAKEOFF, RECEIVED NR 2 ENG HYD PUMP CAUTION LIGHT. COMPLIED WITH CHECKLIST AND IN SO DOING DETERMINED NR 2 HYDRAULIC PRESSURE AND QUANTITY WERE BOTH NORMAL. THE CAUTION LIGHT CYCLED ON AND OFF FOR SEVERAL MINUTES THEN REMAINED OUT FOR REMAINDER OF FLIGHT. MAINTENANCE REPLACED NR 2 ENGINE HYDRAULIC PUMP PRESSURE SWITCH. GROUND RUN ENGINES. MOVED FLIGHT CONTROLS FOR SEVERAL MINUTES. NO DEFECTS NOTED AT THIS TIME. CAUTION LIGHT NEVER ILLUMINATED FOR NR 2 ENGINE HYDRAULIC PUMP. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC SYSTEM — CONTAMINATED (NR 2) · airframe 17,013 hrs · 24,736 cycles

PDX FLIGHT NR 2126 - NOSE DOOR ADVISORY LIGHT REMAINED ILLUMINATED AND NR 2 HYDRAULIC PRESSURE DROPPED TO ZERO WITH NR 2 ENGINE HYDRAULIC PUMP CAUTION LIGHT ILLUMINATED. AFTER CHECKLIST PRESSURE READING TO NORMAL AGAIN. ACCOMPLISHED ALTERNATE GEAR EXTENSION AND LANDING NORMAL. MAINTENANCE FOUND AIR IN NR 2 HYDRAULIC SYSTEM. SYSTEM BLED AND SPECIAL INSPECTION COMPLIED WITH. SYSTEM CHECKS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 16,903 hrs · 24,575 cycles

PSC - EMERGENCY LIGHT AT MAIN CABIN EXIT THRESHOLD AND LEFT FORWARD EGRESS ARE INOP. REPLACED EMERGENCY BATTERY PACK AT 3351-PS1 AND COMPLIED WITH TEST OF EMERGENCY LIGHT IAW MM TASK 33-51-01-710-801. OPERATION TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HANDSET — MALFUNCTIONED (INTERPHONE) · airframe 17,066 hrs · 24,815 cycles

PDX FLIGHT 2046 PILOTS CANNOT HEAR FLIGHT ATTENDANT THROUGH INTERPHONE. FLIGHT ATTENDANT CAN HEAR PILOTS JUST FINE. FLIGHT ATTENDANT AND PILOTS ARE ABLE TO MAKE PASSENGER ANNOUNCEMENTS JUST FINE. MAINTENANCE REPLACED HANDSET FOR FLIGHT ATTENDANT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: AHRS — MALFUNCTIONED (NR 2) · airframe 16,655 hrs · 24,177 cycles

SEA FLIGHT 2078 ALTITUDE HEADING FAIL FIRST OFFICERS AHRS. MAINTENANCE REPLACED NR 2 AHRS IAW MTC 93240019. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PEDESTAL — MALFUNCTIONED (ZONE 100) · airframe 16,154 hrs · 23,393 cycles

SEA - ON FLIGHT 2244, RETURNED TO FIELD, WEATHER RADAR SHOWS WX AND NOTHING ELSE WHEN TURNED ON. REPLACED WEATHER RADAR ANTENNA PEDESTAL. ALL TESTED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TRANSCEIVER — MALFUNCTIONED (ZONE 100) · airframe 16,126 hrs · 23,351 cycles

PDX-ON FLIGHT 2058, PDX-OTH RETURN TO FIELD, RADAR GIVES NO RETURNS AND SHOWS RED SPOKES. REMOVED AND INSTALLED NEW WEATHER RADAR R/T. SYSTEM TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — MALFUNCTIONED (RUDDER) · airframe 15,910 hrs · 23,023 cycles

SEA FLIGHT NR 2269, UPON APPLICATION OF TAKEOFF POWER, RUDDER FULL PRESSURE CAUITON LIGHT ILLUMIANTED. ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED NR 1 AND NR 2 RUDDER FULL PRESSURE SWITCHES IAW MCN 22788-001. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAILED (CARGO BAY) · airframe 152,179 hrs · 22,059 cycles

YVR - FLIGHT 2210 - THE FLIGHT RETURNED TO THE GATE WHEN DURING THE TAXI OUT THE CREW RECEIVED A SMOKE AND MASTER WARNING LIGHT. MAINTENANCE INSPECTED THE AIRCRAFT AND MEL'D THE NR 2 SMOKE DETECTOR. *S/D* 02/02/05 - THE NUMBER 2 SMOKE DETECTOR WAS REPLACED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BRUSH BLOCK — MALFUNCTIONED (ZONE 500) · airframe 15,221 hrs · 21,973 cycles

SEA - FLIGHT 2180 RETURNED TO FIELD NR 1 PROP HUB SPARKING. MAINTENANCE REPLACED THE BRUSH BLOCK. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ECU — MALFUNCTIONED (ZONE 500) · airframe 14,673 hrs · 21,177 cycles

PDX - FLIGHT 2192 DURING CLIMB NR 2 ENGINE MANUAL CAUTION LIGHT ILLUMINATED. COMPLIED WITH ABNORMAL CHECKLIST, NO HELP. TORQUE ROSE 10 PERCENT WHEN LIGHT CAME ON. MAINTENANCE REPLACED NR 2 ENGINE ECU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 4 HAS CORROSION FORMING AT APPROXIMATELY STATION 396. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - CORROSION AROUND CAMLOCK RECEPTACLE HOLES OUTBOARD FLOORBOARD FLANGE OF SEAT TRACK NR 7 AT X295 AND X310. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS SEVERAL MARKED AREAS OF CORROSION ON UPPER SURFACE OF CENTER FLANGE BETWEEN X196 AND X200. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS MARKED CORROSION ON UPPER SURFACE OF CENTER FLANGE AT X242. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS SEVERAL MARKED AREAS OF CORROSION ON UPPER SURFACE OF CENTER FLANGE BETWEEN X213.5 AND X223.5. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS SEVERAL MARKED AREAS OF CORROSION ON UPPER SURFACE OF CENTER FLANGE BETWEEN X229.5 AND X230. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS SEVERAL MARKED AREAS OF CORROSION ON UPPER SURFACE OF CENTER FLANGE BETWEEN X204 AND X210. REPLACED NR 7 SEAT TRACK.

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 4 HAS CORROSION FORMING ON FLOORBOARD SUPPORT FLANGE AT APPROXIMATELY AT STATION 232. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 7 HAS SEVERAL MARKED AREAS OF CORROSION ON UPPER SURFACE OF CENTER FLANGE BETWEEN X233 AND X235. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 4 HAS CORROSION FORMING AT APPROXIMATELY STATION 260. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - CAMLOCK RECEPTACLE CORRODED OUTBOARD FLOORBOARD FLANGE OF SEAT TRACK NR 7 AT X243. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 4 HAS CORROSION FORMING ON THE SEAT TRACK FLOORBOARD SUPPORT FLANGE AT APPROXIMATELY STATION 238. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,202 hrs · 20,443 cycles

PDX - SEAT TRACK NR 4 HAS CORROSION FORMING ON THE FLOORBOARD SUPPORT FLANGE AT APPROXIMATELY STATION 246. REPLACED NR 4 SEAT TRACK.

Part: TRUSS — CHAFED (ZONE 100) · airframe 13,833 hrs · 19,903 cycles

PDX - NR 1 ENGINE INBOARD LOWER TRUSS CHAFED 6 X .001 INCH ADJACENT TO FUEL FLOW TRANSMITTER. REPAIRED IAW RD 8-54-036.

Part: STRUT — FAILED (ZONE 800) · airframe 13,729 hrs · 19,741 cycles

MAIN CABIN DOOR ASSIST STRUTS ARE NOT OPERATING. MAIN CABIN DOOR VERY DIFFICULT TO OPEN AND CLOSE. WHEN DOOR DOES OPEN IT DROPS VERY RAPIDLY. REMOVED AND REPLACED PASSENGER DOOR GAS STRUTS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — ACTIVATED (ZONE 300) · airframe 12,315 hrs · 17,655 cycles

ON FLIGHT 2041 ABORTED TAKEOFF DUE TO TAKEOFF WARNING AT 85 KNOTS. THE WARNING STOPPED BRIEFLY, BUT AT 90 KNOTS TAKEOFF WARNING SOUNDED AGAIN. RIGGED ELEVATOR TRIM TAKEOFF WARNING SWITCH. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STRINGER — CHAFED (ZONE 400) · airframe 12,314 hrs · 17,653 cycles

MIDDLE STRINGER ON UPPER DECK OF NR 2 ENGINE COWL IS CHAFED. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: HYDRAULIC LINE — BROKEN (NLG) · airframe 11,725 hrs · 16,751 cycles

SEA-ON FLIGHT NUMBER 2065, AFTER GEAR EXTENSION, NR 2 HYDRAULIC PRESSURE AND QUANTITY WENT TO ZERO. NR 2 ENGINE HYDRAULIC PUMP AND NR 2 RUDDER HYDRAULIC CAUTION LIGHTS ILLUMINATED. FOUND BROKEN WIRE FOR NOSE GEAR EXTENSION LINE. INSTALLED NEW NOSE GEAR EXTENSION LINE FOR DRAG STRUT ACTUATOR. LEAK CHECK GOOD SERVICE NR 2 HYDRAULIC SYSTEM. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 11,098 hrs · 15,784 cycles

PDX ON FLIGHT 2193- TRACK LIGHTING ON AISLE FLOOR BY ROW 1 IS COMING UP. REMOVED AND REPLACED FORWARD STRIP OF AISLE EMERGENCY LIGHT TRACK. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — FAILED (NR 2 ENGINE) · airframe 10,132 hrs · 14,400 cycles

LWS - THE NR 2 ENGINE HYDRAULIC PUMP FAILED IN FLIGHT. LANDING GEAR WOULD NOT EXTEND NORMALLY, CREW USED ALTERNATE EXTENSION. CREW PERFORMED THE ABNORMAL PROCEDURES CHECKLIST. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 2 ENGINE DRIVEN PUMP. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: NOZZLE — CHAFED (NR 2 ENGINE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 2 FINGERNAIL DECK UNDERSIDE HAS CHAFE DAMAGE FROM FUEL/OIL/HYDRAULIC DRAIN LINE. REPAIRED IAW DHC-8 RD 8-54-097.

Part: BRACKET — CRACKED (RT WING) · airframe 9,821 hrs · 13,935 cycles

PDX- UPPER END OF Z-BRACKET IS CRACKED AT FORWARD RIGHT HAND WING SPAR AT STATION Y58.20. REPAIRED IAW HORIZON AIR EA 2-57-171 AND DHC-8 SRM 51-40-11.

Part: MOUNT BRACKET — CRACKED (LT WING) · airframe 9,821 hrs · 13,935 cycles

PDX- TOP MOUNT BRACKET CRACKED AT STATION YW139.00 OF FORWARD SPAR LEFT HAND WING. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: MOUNT BRACKET — CRACKED (LT WING) · airframe 9,821 hrs · 13,935 cycles

PDX- BOTTOM MOUNT BRACKET IS CRACKED AT STATION YW139.000 ON FORWARD SPAR OF LEFT HAND WING. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: FRAME — CRACKED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- CRACK IN FUSELAGE FRAME JUST BELOW PANEL 122BR ON FRAME 151.6 JUST BELOW STRINGER 27. REPAIRED IAW HORIZON AIR EA 2-53-409.

Part: BRACKET — CRACKED (LT WING) · airframe 9,821 hrs · 13,935 cycles

PDX- Z-BRACKET IS CRACKED AT FORWARD SPAR STATION YW58.200 ON LEFT HAND WING. REPAIRED IAW HORIZON AIR EA 2-57-170 AND DHC-8 SRM 51-40-11.

Part: BRACKET — GOUGED (SPOILER) · airframe 9,821 hrs · 13,935 cycles

PDX- LEFT HAND WING OUTBOARD SPOILER CENTER HINGE POINT INBOARD SIDE OF INBOARD BRACKET GOUGED AND SCRATCHED AROUND PIVOT. REPAIRED IAW HORIZON AIR EA 2-57-176.

Part: HINGE BRACKET — SCRATCHED (SPOILER) · airframe 9,821 hrs · 13,935 cycles

PDX- THERE IS A DEEP SCRATCH ON THE SURFACE OF THE LEFT HAND CENTER HINGE BRACKET ON THE LEFT HAND OUTBOARD ROLL SPOILER. REPAIRED IAW DHC-8 SRM 51-20-36 AND HORIZON AIR EA 2-57-175.

Part: RIB — CORRODED (RUDDER) · airframe 9,821 hrs · 13,935 cycles

PDX- FORE RUDDER CLOSING RIB OUTSIDE SURFACE HAS FRETTING CORROSION AROUND RIVET HOLES. REPAIRED IAW DHC-8 MM TASK 27-20-11-030-802, DHC-8 SRM 51-40-06, 51-40-11 AND 27-20-11.

Part: PANEL — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- PANEL 422BT BOTTOM EDGES ARE CHAFED IN SEVERAL PLACES. REPAIRED IAW DHC-8 SRM 51-20-11.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 9,821 hrs · 13,935 cycles

PDX- PITTING ALONG THE INBOARD SIDE OF THE NR 4 FLAP TRACK ON LEFT HAND WING. REPAIRED IAW HORIZON AIR EA 2-57-169.

Part: PANEL — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- PANEL 422CT BOTTOM EDGES ARE CHAFED IN SEVERAL PLACES. REPAIRED IAW DHC-8 SRM 51-20-11.

Part: PANEL — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- PANEL 422DT BOTTOM HAS CHAFED EDGES. REPAIRED IAW DHC-8 SRM 51-20-11 AND 51-20-36.

Part: PANEL — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- PANEL 425AL BOTTOM FLANGE IS CHAFED. REPAIRED IAW DHC-8 SRM 51-20-11.

Part: SKIN — BENT (CARGO DOOR) · airframe 9,821 hrs · 13,935 cycles

PDX- UPPER FORWARD CORNER OF CARGO DOOR SKIN IN BENT. REPAIRED IAW DHC-8 RD 8-52-029, DHC-8 SRM 51-10-21, 51-20-16 AND 51-20-36.

Part: STRUCTURE — CRACKED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- WING TO FUSELAGE FAIRING SUPPORT STRUCTURE WEB SKIN IS CRACKED AND CHAFED ON AFT SIDE OF WEB SKIN FROM BLEED AIR T-DUCT. REPAIRED IAW DHC-8 RD 8-53-5437.

Part: DOOR FRAME — GOUGED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- LOWER CORNER OF BAGGAGE DOOR CUTOUT BETWEEN STATIONS 580.000 TO 597.000 HAS NUMEROUS NICKS, SMALL GOUGES, AND PAINT CHIPPING OFF. REPAIRED IAW DHC-8 SRM 51-20-11, 51-20-26 AND 51-20-51.

Part: ANTENNA — CORRODED (TCAS) · airframe 9,821 hrs · 13,935 cycles

PDX- LOWER FUSELAGE TCAS ANTENNA HAS CORROSION AROUND SCREW HOLES. REPAIRED IAW DHC-8 SRM 51-20-11 AND 51-20-16.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- CORROSION ON ANGLE BELOW FLOORBOARD 145AZ AT STATION X597.5 AND Z99. REPAIRED IAW DHC-8 SRM 51-20-11, 51-20-16, 51-40-11, AND 51-20-36.

Part: ARM — GOUGED (NLG) · airframe 9,821 hrs · 13,935 cycles

PDX- NOSE LANDING GEAR TRAILING ARM HAS NICKS AND GOUGES ALONG LEADING EDGE. REPAIRED IAW DHC-8 RD 8-32-289.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 4 LEFT HAND INBOARD SEAT TRACK BOTTOM CHAFED BY TRIM PIECES AT STATIONS X291.0, X320.0, X387.0 AND X410.0. REPAIRED IAW DHC-8 RD 8-53-1339.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 9 RIGHT HAND INBOARD SEAT TRACK NEEDS TO BE CLEANED AND PRIMED AT SEAT ATTACH POINTS. GOUGES IN BOTTOM OF TRACK AT STATION X531.0 AND X542.0. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 5 LEFT HAND INBOARD SEAT TRACK INBOARD FLANGE IS GOUGED AT STATION X436.0. REPAIRED IAW DHC-8 RD 8-53-833.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 1 LEFT HAND OUTBOARD SEAT TRACK TOP HAS CORROSION AT STATION X265.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 7 RIGHT HAND INBOARD SEAT TRACK INBOARD FLANGE AT STATION X396.0 IS PITTED. REPAIRED IAW DHC-8 RD 8-53-833.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 10 RIGHT HAND OUTBOARD SEAT TRACK BOTTOM HAS CORROSION AT STATION X374.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: DOUBLER — GOUGED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- DOUBLER GOUGED AT TOP SIDE OF CARGO DOOR APERTURE. REPAIRED IAW DHC-8 RD 8-53-5461.

Part: FLAP — CHAFED (WING) · airframe 9,821 hrs · 13,935 cycles

PDX- FLAP CHAFING AGAINST NACELLE FAIRING STRUCTURE. REPAIRED IAW DHC-8 RD 8-57-1549 AND RD 8-57-1734.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 10 RIGHT HAND OUTBOARD SEAT TRACK TOP HAS CORROSION AT STATION X296.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 10 RIGHT HAND OUTBOARD SEAT TRACK TOP HAS CORROSION AT STATION X265.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 10 RIGHT HAND OUTBOARD SEAT TRACK BOTTOM HAS CORROSION AT STATION X342.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX - NR 10 RIGHT HAND OUTBOARD SEAT TRACK BOTTOM CORROSION AT X406.0. REPAIRED IAW RD 8-53-1342.

Part: BRACKET — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- CARGO FLOOR NUT PLATE BRACKET AND FLOOR Z-CHANNEL CHAFED AT X545.0 AFT AND BELOW RIGHT HAND OUTBOARD SEAT TRACK. REPAIRED IAW DHC-8 SRM 51-20-11, 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 10 RIGHT HAND OUTBOARD SEAT TRACK BOTTOM HAS CORROSION AT STATION X328. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: SKIN — GOUGED (WING) · airframe 9,821 hrs · 13,935 cycles

PDX- TWO GOUGES NEXT TO EACH OTHER ON THE TOP CENTER INBOARD SIDE OF OUTBOARD WINGS. REPAIRED IAW DHC-8 RD 8-57-1734 AND RD 8-57-1549.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 4 LEFT HAND INBOARD SEAT TRACK TOP HAS PITTING AT STATION X391.0. REPAIRED IAW DHC-8 RD 8-53-1339.

Part: SPAR CAP — GOUGED (RT WING) · airframe 9,821 hrs · 13,935 cycles

PDX- THERE ARE GOUGES AND SCRATCHES IN UPPER SPAR CAP OF RIGHT HAND WING FROM STATION YW297 TO YW324. REPAIRED IAW DHC-8 RD 8-57-2054.

Part: DOUBLER — GOUGED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- DOUBLER GOUGED AT TOP SIDE OF CARGO DOOR APERTURE STATION X580.5. REPAIRED IAW DHC-8 RD 8-53-5461.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 6 LEFT HAND INBOARD SEAT TRACK HAS CORROSION AROUND THE NUT PLATES AT STATIONS X546.0, X565.0 AND X581.0. REPAIRED IAW DHC-8 SRM 51-40-11, 51-20-16, 51-20-36 AND RD 8-53-784.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 5 LEFT HAND INBOARD SEAT TRACK BOTTOM IS CHAFED BY TRIM PIECES AT STATIONS X448.0, X480.0 AND X510.0. REPAIRED IAW DHC-8 RD 8-53-1239.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 1 LEFT HAND OUTBOARD SEAT TRACK BOTTOM HAS CORROSION AT STATION X297.0. REPAIRED IAW DHC-8 RD 8-53-1342.

Part: RIVET — LOOSE (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- ONE SMOKING RIVET AT AFT WING TO FUSELAGE STRAP/FRAME ON RIGHT HAND UNDERWING. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 7 RIGHT HAND INBOARD SEAT TRACK AT STATION X406 HAS CORROSION ON BOTTOM. REPAIRED IAW DHC-8 RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 9 RIGHT HAND INBOARD SEAT TRACK HAS CORROSION AROUND NUT PLATES AT STATIONS X598.0 AND X565.0. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,821 hrs · 13,935 cycles

PDX- NR 9 RIGHT HAND INBOARD SEAT TRACK HAS CORROSION AT NUT PLATES AT STATION X533.0 AND X546.0. REPAIRED IAW DHC-8 RD 8-53-4936.

Part: FRAME — GOUGED (LT PYLON) · airframe 9,821 hrs · 13,935 cycles

PDX- LEFT HAND A FRAME WHERE RETRACTION ACTUATOR FITTING MOUNT, JUST BELOW TOP IS GOUGED. REPAIRED IAW DHC-8 RD 8-54-1178.

Part: CONNECTOR — LOOSE (FIRE DETECTION) · airframe 9,528 hrs · 13,497 cycles

YVR- NR 1 FAULT B FIRE DETECTION CAUTION LIGHT ILLUMINATED. RESET CANNON PLUGS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COMPUTER — MALFUNCTIONED (COCKPIT) · airframe 9,163 hrs · 12,953 cycles

PDX- AFTER TAKEOFF FIRST OFFICER'S ATTITUDE AND HEADING FAIL. CAPTAIN'S RMI FAIL. RETURNED TO FIELD. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 AHRS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CLAMP — MISALIGNED (NR 2 ENGINE) · airframe 9,134 hrs · 12,910 cycles

GEG - DURING TAXI NR 2 ENGINE FIRE WARNING SYSTEM ACTIVATED. STOPPED THE AIRCRAFT, PERFORMED FIRE ON THE GROUND PROCEDURE. FIRE INDICATION CEASED AFTER ACTIVATING THE FORWARD EXTINGUISHER BOTTLE. MAINTENANCE INSPECTED AND FOUND THE TAILPIPE CLAMP ON THE ENGINE EXHAUST MISALIGNED. THE NR 2 NACELLE AND ENGINE WAS INSPECTED AND REPAIRED IAW DHC-8 MAINTENANCE MANUAL, DHC-8 STRUCTURAL REPAIR MANUAL, EA'S 2-54-120, -123, -124, -127, -128, -129, -130, AND 2-54-133. OPERATIONAL CHECKS WERE PERFORMED AND CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 8,823 hrs · 12,456 cycles

PDX - LAVATORY SMOKE DETECTOR WENT OFF ON CLIMB-OUT. NO EVIDENCE OF SMOKE OR BURNING SMELL. REPLACED LAVATORY SMOKE DETECTOR. PERFORMED OPERATIONAL TEST OF SMOKE DETECTOR AND OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — FAULTY (BLEED AIR) · airframe 8,397 hrs · 11,864 cycles

PDX - LAVATORY SMOKE DETECTOR SOUNDED ON TAXI OUT WITH A SMELL AND HAZE AROUND LAVATORY AND ENTIRE CABIN. REPLACED NUMBER 2, 2.5 AND P-3 AIR PRESSURE VALVES. RAN BLEEDS UP TO RED LINE. NO HAZE OR SMOKE NOTED. NO CHANGE IN ENGINE OIL LEVEL NOTED.

Part: ANGLE — CRACKED (RT NACELLE) · airframe 8,342 hrs · 11,779 cycles

PDX - RIGHT NACELLE HAS CRACKED CLOSING ANGLE ON THE OUTBOARD SIDE OF FIREWALL. REPAIRED RIGHT NACELLE IAW RD 8-54-806, RD 8-54-109, SRM 51-40-00 AND SRM 51-40-11.

Part: ENGINE — FLUCTUATES (NR 1 AND 2) · airframe 6,276 hrs · 8,840 cycles

IDA- ON TAKE OFF CLIMB BOTH ENGINE TORQUES FLUCTUATED 5-6 PERCENT. CORRESPONDING FLUX IN ITT AND FUEL FLOW. SAME INDICATIONS AT NP 1050, 900. CABIN PRESSURE RATE FLUXUATION. RETURNED TO FIELD WITHOUT INCIDENT. PLACED ON MEL 75-1 320918.

Part: SWITCH — DIRTY (POWER LEVER)

SEA- AUTOFEATHER ARM LIGHT CAME ON IN CRUISE FLIGHT WHILE NOT SELECTED. APPEARED TO BE ASSOICATED WITH THE SWITCH IN THE POWER LEVER QUADRANT. MAINTENANCE RESEATED THE ADVISORY CONTROL BOX AND CLEANED THE POWER LEVER SWITCHES IN THE QUADRANT. OPERATIONAL CHECKS GOOD. NO PARTS REPLACED.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 5,139 hrs · 7,288 cycles

SEA- EMERGENCY FLOOR TRACK LIGHTING INOPERATIVE AT ROW 1. REPLACED EMERGENCY FLOOR LIGHT AT ROW 1. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 5,103 hrs · 7,243 cycles

BOI- ELECTRICAL SMELL NOTED IN COCKPIT. ENERGIZED AIRCRAFT. PERFORMED SYSTEM TESTS OF NR 1 AND 2 STALL SYSTEM. NO ELECTRICAL SMELLS NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: FIRE DETECTOR — MALFUNCTIONED (NR 2 NACELLE) · airframe 5,062 hrs · 7,196 cycles

RDM- NR 2 FIRE DETECTOR LOOP B ILLUMINATED. REMOVED AND REPLACED NR 2 ENGINE FIRE LOOP B. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- UPPER FUSELAGE SKIN AT X360 AND Z182 HAS DAMAGE. REPAIRED IAW DHC-8 SRM 51-20-11, FIGURE 4 AND SRM 53-00-16, AND SRM 51-20-00, PAGE 5.

Part: ATTACH FITTING — CRACKED (BLEED LINE) · airframe 4,979 hrs · 7,084 cycles

YXX- LEFT HAND BLEED SUPPLY PIPE OUTBOARD ATTACH BRACKET CRACKED IN 2 LOCATIONS. REPAIRED IAW DHC-8 RD 8-21-034 AND HORIZON AIR EA 2-21-56.

Part: SKIN — DENTED (AIRSTAIR DOOR) · airframe 4,979 hrs · 7,084 cycles

YXX- NUMEROUS DENTS ON OUTER SKIN OF AIRSTAIR DOOR AT X225.25 AND X245 ALONG Z159. REPAIRED IAW DHC-8 RD 8-52-455 AND DHC-8 SRM 51-20-00, PAGE 5.

Part: MOUNT — CHAFED (LT ENGINE) · airframe 4,979 hrs · 7,084 cycles

YXX- LEFT HAND ENGINE INBOARD UPPER TRUSS MOUNT CHAFED FROM COWL DOOR. REPAIRED IAW DHC-8 RD 8-54-036.

Part: SKIN — DENTED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- DENT IN LEFT HAND SIDE OF FUSELAGE AT STATION 685 WL 170. REPAIRED IAW DHC-8 SRM 53-30-24, PAGE 1 AND SRM 53-30-24, PAGE 5.

Part: STRINGER — DAMAGED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- CHAFE DAMAGE ON STRINGER 6R AT X736 CAUSED BY HYDRAULIC PRESSURE SENSOR FLEX-LINE. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 7 AND SRM 51-20-16.

Part: SKIN — DENTED (RUDDER) · airframe 4,979 hrs · 7,084 cycles

YXX- DENTS ON TRAILING RUDDER AT LEFT HAND SKIN. REPAIRED IAW DHC-8 SRM 55-40-16 AND SRM 55-40-28, FIGURE 3.

Part: SKIN — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- FUSELAGE SKIN LEFT HAND SIDE DENTED UNDER ICE-SHIELD AT STA 7L, 292, 304.5, 312, 8L, AND 297. REPAIRED IAW DHC-8 SRM 51-20-26, PAGE 6 AND DHC-8 RD 8-53-5081.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- RIGHT HAND INBOARD SEAT TRACKS HAVE CORROSION AT CARGO PIT TIE DOWN ATTACH POINT X597.5. REPAIRED IAW DHC-8 RD 8-53-4936 AND DHC-8 SRM 51-20-00, PAGE 5, AND HORIZON AIR EA 2-53-175.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- LEFT HAND INBOARD SEAT TRACK STATION 240 FLOOR PANEL PICKUP TAB ON INBOARD SIDE OF TRACK CORRODED. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 1-10, AND DHC-8 SRM 51-40-00, PAGE 4.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- LEFT HAND INBOARD SEAT TRACK HAS CORROSION AT CARGO PIT TIE DOWN ATTACH POINT X597.5. REPAIRED IAW DHC-8 SRM 51-20-00, PAGE 5, AND DHC-8 RD 8-53-4936.

Part: SKIN — CHAFED (TE FLAP) · airframe 4,979 hrs · 7,084 cycles

YXX- RIGHT HAND OUTBOARD FLAP UPPER SKIN CHAFED FORWARD OF FLAP TRAILING EDGE. REPAIRED IAW DHC-8 RD 8-57-1711, PAGE 4, PARAGRAPH 3 AND SRM 51-20-00 PAGE 5.

Part: DOOR FRAME — DAMAGED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- DAMAGE FROM CARGO DOOR STOPS FOUND ON UPPER SILL STRUCTURE BOTH INBOARD AND OUTBOARD STRAPS AND FORWARD DOOR STOP FITTING. REPAIRED IAW DHC-8 RD 8-53-5070 AND SRM 51-20-00, PAGE 1.

Part: SKIN — CHAFED (TE FLAP) · airframe 4,979 hrs · 7,084 cycles

YXX- LEFT HAND OUTBOARD FLAP CHAFED ON UPPER SKIN AT YW176. REPAIRED IAW DHC-8 RD 8-57-1171 AND SRM 51-20-00, PAGE 5.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- SPOTS OF CORROSION ON RIGHT HAND OUTBOARD SEAT TRACK AT X392 AND X484. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 1-10, AND DHC-8 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,979 hrs · 7,084 cycles

YXX- RIGHT HAND INBOARD SEAT TRACK HAS SEVERE CORROSION AT FLOORBOARD ATTACH RECEPTICAL AT X202, X220, AND X235. REPAIRED IAW DHC-8 SRM RD 8-53-3074 AND DHC-8 SRM 51-20-00, PAGE 5.

Part: AUDIO PANEL — MALFUNCTIONED (COCKPIT) · airframe 4,958 hrs · 7,055 cycles

SEA- ELECTRICAL SMELL COMING FROM COCKPIT. FOUND SMELL COMING FROM ALTITUDE AUDIO ALERT PANEL. REPLACED PANEL. NO FURTHER SMELL NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SIGN — MALFUNCTIONED (CABIN) · airframe 4,550 hrs · 6,468 cycles

SEA- EMERGENCY EXIT SIGN AT FORWARD BULKHEAD BY FLIGHT ATTENDANT SEAT INOPERATIVE. REPLACED EXIT SIGN LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — OUT OF ADJUST (AUTO FEATHER SYS)

PSC - AUTO FEATHER DID NOT ARM. CLEANED AND INSPECTED CONTROL QUADRANT SWITCHES. ADJUSTED NR 1 AND NR 2 AUTO FEATHER ARMING POTENTIOMETER. GROUND RUN OK. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SWITCH — DIRTY (AUTO FEATHER SYS)

PDX - NO AUTO FEATHER ARM LIGHT ON TAKEOFF ROLL. INSPECTED AND CLEANED POWER LEVEL SWITCHES G121-S6 AND S7. COMPLIED WITH FUNCTIONAL TEST OF POWER LEVEL SWITCHES AND AUTO FEATHER SYSTEM. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: RELAY — MALFUNCTION (RELAY PANEL)

SEA - DURING CLIMB WHEN AUTOFEATHER TURNED OFF, AUTOFEATHER ARM LIGHT BLINKED AND FLICKERED FOR 30 SECONDS. MAINTENANCE REPLACED 6121-K5 RELAY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN)

SEA - TWO FLOOR EMERGENCY PATH LIGHTS INOP. MAINTENANCE REPLACED TWO EMERGENCY FLOOR LIGHT STRIPS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — FAILED (NR 2 FIRE DET)

NR 2 FIRE DETECTION SYSTEM FAULT LIGHT B ILLUMINATED. INSPECTED AND FOUND THE NR 2 SYSTEM A BULB BLOWN CAUSING THE B-LOOP TO FAIL. REPLACED LAMP AND RESET B CIRCUIT BREAKER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — TRIPPED (NR2 ENG FIRE DET)

EAT- NR 2 ENGINE FIRE DETECTION FAULT B LIGHT ILLUMINATED. FOUND CIRCUIT BREAKER FOR FIRE DETECTOR POPPED. RESET CIRCUIT BREAKER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO COMPT)

SEA - CLIMBING THROUGH 18,000 FEET, THE MASTER WARNING AND SMOKE WARNING LIGHTS CAME ON FOR ABOUT 3 SECONDS, THEN THE SMOKE LIGHT WENT OUT. VISUAL CHECK OF THE BAGGAGE COMPARTMENT FOUND NO EVIDENCE OF SMOKE OR FIRE. REPLACED THE NR 2 SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTION (CARGO COMPT)

RDM- SMOKE WARNING MASTER WARNING ILLUMINATED IN FLIGHT. NO EVIDENCE OF FIRE NOTED. ACCOMPLISHED UNEVENTFUL LANDING. PLACED ON MEL. MEL CLEARED IN SEA BY REPLACING THE NR 2 SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.