N351PH

Part: ACM — FAILED · airframe 37,789 hrs · 50,646 cycles

FA REPORTED TO CREW AT 1000FT, SMOKE FILLED THE CABIN. CREW TURNED OFF BLEEDS AND SMOKE DISSIPATED. R & R THE ACM, OPS CHECKED GOOD.

Part: BATTERY — DISCHARGED (CABIN) · airframe 37,065 hrs · 49,787 cycles

EMERGENCY LIGHTS INOPERATIVE. R & R EMERGENCY BATTERIES, OPS CHECK SATISFACTORY. ADDITIONAL PARTS INCLUDE: 2X PN 61-0478-11, SN CA012, TT 5948.28, TC 6979; SN 011015, TT 22011.33, TC 28690; PN 61-0478-9, SN 9711055, TT 28740.68, TC 37797.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 366,669 hrs · 49,327 cycles

EMERGENCY EXIT LIGHTS INOPERATIVE. R & R THE BATTERY PACKS.

Part: SKIN PANEL — GOUGED (FUSELAGE) · airframe 35,785 hrs · 48,304 cycles

GOUGE IN FUSELAGE, BETWEEN LT ICE SHIELD & BETWEEN STRINGER 6 & 7, X291.40 & X312.35. REPAIRED DAMAGE IAW RD 8-53-14381.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 34,306 hrs · 46,551 cycles

EMERGENCY LIGHTS WILL NOT TEST. R & R THE POWER SUPPLIES IN POSITION 1, 2, 3 & 6.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 34,082 hrs · 46,299 cycles

EMERGENCY LIGHTS FLICKERING DURING TAKEOFF & THEN AGAIN ON LANDING. PERFORMED OPERATIONAL CHECK OF EMER LIGHTS, SATISFACTORY AT THIS TIME.

Part: CIRCUIT BREAKER — POPPED (COCKPIT) · airframe 33,570 hrs · 45,691 cycles

AUTOFEATHER WILL NOT ARM. FOUND TORQUE CONNECTOR CB POPPED. RESET BREAKER & PERFORMED POWER RUNS.

Part: PSU — UNSECURE (CABIN) · airframe 33,512 hrs · 45,619 cycles

PSU OVER SEAT 23A FELL. SECURED SEAT 23A PSU.

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 33,503 hrs · 45,610 cycles

EMERGENCY LIGHTS WILL NOT STAY ON. RAN NR 2 ENG TO CHARGE POWER SUPPLY.

Part: GLOWSTRIP — MISINSTALLED (CABIN) · airframe 33,263 hrs · 45,332 cycles

EMERGENCY LIGHTS WILL TEST USING THE FLIGHT DECK SWITCH. FOUND GLOW STRIP TO LT EMERGENCY EXIT DOOR BACKWARDS. INSTALLED CORRECTLY, OPERATIONS CHECKED SATISFACTORY.

Part: STRUT — CRACKED (NLG) · airframe 33,025 hrs · 45,056 cycles

FOUND 10 INCH CRACK IN SHOCK STRUT OF NLG. R & R NLG SHOCK STRUT.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 32,732 hrs · 44,691 cycles

LEFT FWD INBD SEAT RAIL CORRODED TO LIMITS. SPLICED IN NEW SECTION ON LT FWD SEAT RAIL AT STATION X262.0 IAW BOMBARDIER GENERIC 8-53-3074.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 32,322 hrs · 44,185 cycles

FORWARD EMERGENCY LIGHT INOPERATIVE. R & R LIGHT, OPS CHECKED SATISFACTORY.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 32,286 hrs · 44,134 cycles

RIGHT AFT EGRESS LIGHT, MID CABIN OVERHEAD EXIT SIGN AND AFT CEILING EMERGENCY LIGHTS INOPERATIVE. R & R EMERGENCY LIGHT BATTERY PS4 IRW AMM 33-51-00. OPS CHECK SATISFACTORY. NO OTHER DEFECTS NOTED AT THIS TIME.

Part: CONNECTOR — LOOSE (EMERGENCY LIGHT) · airframe 32,273 hrs · 44,119 cycles

FWD EMERGENCY LIGHT NOT WORKING. RESEATED CONNECTOR. OPS CHECKED SATISFACTORY.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 31,521 hrs · 43,158 cycles

DURING PREFLIGHT CREW REPORTED THAT A SECTION OF THE FWD FLOOR EMERGENCY LIGHTING STRIP WAS INOPERATIVE. THE GROUND MX CREW R & R THE SECTION OF FLOOR EMERGENCY LIGHTING. ALL OPS CHECKS PRODUCED SATISFACTORY RESULTS.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 30,540 hrs · 41,925 cycles

DURING PREFLIGHT THE CREW NOTICED THE EMERGENCY EXIT SIGN OVER THE MAIN CABIN DOOR DID NOT ILLUMINATE UPON TESTING. GROUND MX CREW REPLACED THE EMERGENCY LIGHT BATTERIES AND CONDUCTED AN OPS CHECK WHICH PRODUCED SATISFACTORY RESULTS. THE ACFT WAS RETURNED TO SERVICE.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 30,493 hrs · 41,862 cycles

DURING PRE-FLIGHT, CREW NOTICED THE EMERGENCY EXIT LIGHT ABOVE THE MAIN ENTRANCE DOOR WAS INOPERATIVE. GROUND MX R & R THE EMERGENCY LIGHT BATTERIES. AN OPS TEST PRODUCED SATISFACTORY RESULTS.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 30,368 hrs · 41,705 cycles

DURING PRE-FLIGHT CREW NOTICED THE ROW 1 EMERGENCY EXIT LIGHT AND MAIN CABIN DOOR LIGHT INOPERATIVE. GROUND MX CREW RE-SEATED THE EMERGENCY LIGHT BATTERIES IN THE WARDROBE AND CONDUCTED AN OPS CHECK THAT PRODUCED SATISFACTORY RESULTS. THE ACFT WAS RETURNED TO SERVICE.

Part: BULB — INOPERATIVE (EMERGENCY LIGHTS) · airframe 30,351 hrs · 41,682 cycles

DURING PREFLIGHT CREW NOTICED THE SECOND CEILING EMERGENCY LIGHT WAS INOPERATIVE. R & R THE LIGHT BULB AN PERFORMED AN OPS CHECK WHICH PRODUCED A SATISFACTORY RESULT. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 29,678 hrs · 40,810 cycles

DURING THE PRE-FLIGHT INSPECTION, THE CREW NOTICED THE EMERGENCY LIGHTS FAILED TO ILLUMINATE. CHARGED THE EMERGENCY LIGHT BATTERIES IN REF WITH THE AMM CH 3351. AFTER THE BATTERIES WERE ALLOWED TO CHARGE A SATISFACTORY OPS CHECK WAS PERFORMED AND THE ACFT WAS RELEASED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 29,097 hrs · 40,053 cycles

FLIGHT CREW REPORTED THAT THE EMERGENCY CEILING LIGHTS IN ROW 1 & 7 WILL NOT TEST. MX R & R ALL BATTERIES. PERFORMED OPS CHECK SATISFACTORY.

Part: ACM — SMOKE · airframe 29,096 hrs · 40,051 cycles

FLIGHT CREW REPORTED THAT THERE WAS SMOKE IN THE COCKPIT. MX DETERMINED THAT IT WAS THE ACM. R & R ACM & PERFORMED OPS CHECK. CHECKED SATISFACTORY, NO OTHER DEFECTS NOTED.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 29,065 hrs · 40,012 cycles

FLIGHT CREW REPORTED THAT THE 1 AND 3 WHITE OVERHEAD EMERGENCY LIGHTS ARE NOT WORKING. MX R & R PS4 BATTERY , OPS CHECKED SATISFACTORY.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 28,810 hrs · 39,693 cycles

FLIGHT CREW REPORTED EMERGENCY AISLE PATH LIGHTS BY ROW 8 NOT WORKING. MAINTENANCE CREW REMOVED AND REPLACED EMERGENCY LIGHT STRIP BY ROW 8. PERFORMED OBSERVATIONAL CHECK, OPS CHECK WAS SATISFACTORY.

Part: CONNECTOR — INOPERATIVE (EMERGENCY LIGHTS) · airframe 28,650 hrs · 39,482 cycles

DURING PREFLIGHT INSP, AIRCREW NOTICED THE EMERGENCY PATH LIGHTING AT ROW 1 WAS INOPERATIVE. GROUND MX CREW RESECURED THE CONNECTOR TO THE INOPERATIVE STRIP LIGHT SEGMENT. OPS CHECK WAS PERFORMED, SYS CHECKED SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.

Part: BRUSH BLOCK — WORN (RT PROPELLER) · airframe 28,188 hrs · 38,882 cycles

WHILE ACFT WAS ON CLIMB-OUT FOR A TEST FLIGHT BEING PERFORMED, THE RT BUSS FAILED. THE RT TRU, RT STALL WARNING AND RT ELEVATOR HORN HEAT ILLUMINATED. MX FOUND THE RT PROPELLER BRUSH BLOCK SEVERELY WORN. THE BRUSH BLOCK WAS R & R. PERFORMED GROUND MX RUNS, AND SYS PERFORMED SATISFACTORY. ACFT WAS RETURNED TO FLIGHT STATUS.

Part: TSCU — MALFUNCTIONED (AUTOFEATHER SYS) · airframe 27,898 hrs · 38,497 cycles

FLIGHT CREW REPORTED THAT AUTOFEATHER DID NOT ARM ON TAKEOFF, FLIGHT CREW ABORTED TAKEOFF. MX CREW R & R TSCU AND RELAY 6121. PERFORMED OPS CHECK AND TEST FLIGHT SATISFACTORY.

Part: SKIN — GOUGED (FUSELAGE) · airframe 24,312 hrs · 33,926 cycles

DURING C-CHECK FOUND GOUGE IN FUSELAGE (JUST FWD OF STA X531.5 BETWEEN STRINGERS 21S AND 22S). REPAIRED IAW REPAIR DOCUMENT 08-53-08 REV.1, DAMAGE TOLERANCE ANALYSIS BY MFG WITHIN ONE YEAR.

Part: ECU — WARNING LIGHT (NR 1) · airframe 21,149 hrs · 30,538 cycles

PDX FLIGHT NR 2200 ON TAXI OUT FOR DEPARTURE, DURING BETA BACKUP TEST NR 1 ECU CAUTION. MAINTENANCE RE-SET BETA LOCKOUT CIRCUIT BREAKER IAW FSM. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — MALFUNCTIONED (SPOILER SYS) · airframe 20,797 hrs · 30,015 cycles

SEA FLIGHT NR 2020 - ROLL SPOILER HYDRAULIC CAUTION LIGHT ILLUMINATED ON TAXI OUT. MASTER CAUTION UNABLE TO BE RESET. ALL HYDRAULIC INDICATIONS NORMAL. MAINTENANCE REPLACED NR 1 ROLL SPOILER LOW PRESSURE SWITCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (NLG STRUT) · airframe 20,666 hrs · 29,832 cycles

PDX FLIGHT NR 2125, LOUD SCRAPING THUD HEARD WHEN DISCONNECTING FROM TUG RAMP SAID NOSE WHEEL JERKED TO THE SIDE. MAINTENANCE COMPLIED WITH GENERAL VISUAL INSPECTION OF NOSE STRUT ASSEMBLY. NO OBVIOUS DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 20,285 hrs · 29,300 cycles

SEA FLIGHT NR 2042, DURING CLIMB-OUT, LAV SMOKE DETECTOR WENT OFF FOR ABOUT 30 SECONDS. AIRCRAFT HAD JUST ENTERED AREA MODERATE TURBULENCE. MAINTENANCE PERFORMED GVI OF LAV SMOKE DETECTOR. NO DEFECTS NOTED. C/W THE OPERATIONAL CHECK OF THE LAV SMOKE DETECTOR SYSTEM PER D8 AMM TASK 26-19-00-710-801. ALL CHECKED GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BULB — INOPERATIVE (WARNING LIGHT) · airframe 19,952 hrs · 28,817 cycles

PDX FLIGHT NR 2147, NR 1 AUXILIARY PUMP ADVISORY LIGHT INOP. MAINTENANCE COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE.

Part: STOP FITTING — WORN (AIRSTAIR DOOR) · airframe 28,473 hrs · 4,560 cycles

C4 YYC-AIRSTAIR DOOR CUTOUT STOP FITTINGS LOCATIONS WORN. REPAIRED IAW RD8-53-3933 AND RD8-51-103.

Part: CONNECTOR — UNKNOWN (WINDSHIELD HEAT) · airframe 19,834 hrs · 28,647 cycles

PSC FLIGHT NR 2107 - ELECTRICAL SMELL IN COCKPIT WITH WINDSHIELD HEAT ON. MAINTENANCE REPLACED CONNECTOR AT 1.2 TERMINAL. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: KEELBEAM — CORRODED (BS 204) · airframe 28,473 hrs · 4,560 cycles

C4 YYC-LT KEEL BEAM TENSION FITTING AT STATION X204.50 HAS DEEP PITTING CORROSION AROUND BOLT HEAD. REPAIRED IAW SRM 51-40-11.

Part: WARNING LIGHT — FALSE INDICATION (COCKPIT) · airframe 19,692 hrs · 28,440 cycles

PDX FLIGHT 2260, NR 1 ENGINE MANUAL CAUTION LIGHT. MAINTENANCE RESET CIRCUIT BREAKER. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CRACKED (RT NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CRACK AT RIGHT HAND NACELLE FORWARD OUTBOARD SKIN CUTOUT CORNER FOR RIGHT HAND MAIN LANDING GEAR. REPAIRED IAW RD 8-54-873.

Part: STRUT — SCRATCHED (NR 2 NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 NR 2 NACELLE UPPER OUTBOARD ENGINE SUPPORT STRUT LIGHTLY SCRATCHED ON FORWARD END FITTING INBOARD RIB, INBOARD OF BOLT HEAD. REPAIRED IAW HORIZON AIR EA 2-54-292.

Part: STRUCTURE — CRACKED (LT NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 .25 INCH CRACK ON LEFT HAND LOWER NACELLE FORWARD INBOARD CORNER. REPAIRED IAW RD 8-54-874.

Part: STOP FITTING — CHAFED (FUSLAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 CARGO DOOR APERATURE BOTTOM FORWARD STOP FITTING CHAFED/WORN. REPAIRED IAW RD 8-53-104.

Part: STOP FITTING — CHAFED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 CARGO DOOR APERATURE TOP FORWARD STOP FITTING CHAFED/WORN. REPAIRED IAW RD 8-53-104.

Part: UNKNOWN — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX- C4 MILD FRETTING CORROSION ON UNDERSIDE OF PANEL 261GT. REPAIRED IAW RD 8-53-3366 AND DHC-8-200 SRM 51-20-36.

Part: UNKNOWN — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 MILD FRETTING CORROSION ON UNDERSIDE OF PANEL 261NT. REPAIRED IAW RD 8-53-3366 AND DHC-8-200 SRM 51-20-36.

Part: UNKNOWN — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 MILD FRETTING CORROSION ON UNDERSIDE OF PANEL 261JT. REPAIRED IAW RD 8-53-3366 AND DHC-8-200 SRM 51-20-36.

Part: STOP FITTING — CHAFED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 CARGO DOOR APERATURE TOP AFT STOP FITTING CHAFED/WORN. REPAIRED IAW RD 8-53-104.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CARGO PIT CORROSION AROUND RIVET TAILS IN DOOR THRESHOLD APPROXIMATELY X565 TO X580.5. REPAIRED IAW DHC-8-200 SRM 51-40-11 AND 51-40-00.

Part: RIVET — MISSING (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 FIRST 5 RIVETS IN WEB AFT OF FRAME 510 APPROXIMATELY STRINGER 23L ARE MISSING, ALSO BEAR METAL IN SAME AREA. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-20-36 AND SRM 51-10-11.

Part: THRESHOLD — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 X578 AT AFT CARGO DOOR THRESHOLD THERE IS CORROSION UNDER SIDE AT FASTENERS. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: WEB — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 UNDER AFT CARGO BAY FLOOR PANEL 144AZ AT STATION X579.5, Z99.0,Z26L THERE IS EVIDENCE OF CORROSION ON TOP SIDE OF FLOOR WEB. REPAIRED IAW DHC-8-200 SRM 51-20-11.

Part: WEB — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CARGO BAY FLOOR WEB AT STATION X579.5/Z99.0/Y26L HAS ELONGATED NUT PLATE HOLE. REPAIRED IAW HORIZON AIR EA 2-53-773.

Part: SKIN — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 - X564.500 Y26L, Z100 TOP SKIN AND UNDERSIDE HAVE LIGHT CORROSION AT NUTPLATE. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-11 AND HORIZON AIR EA 2-53-733.

Part: FRAME — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 AFT CARGO BAY FRAME WEB AND SUPPORT ANGLE AT FUSELAGE STATION X600, Y27LT AND 299.00 HAVE CORROSION ON SURFACE. REPAIRED IAW DHC-8-200 SRM 51-20-36, 51-70-11, 51-40-00 AND SRM 51-40-11.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 - L SHAPED SCRATCH ON LOWER LEFT FUSELAGE SKIN APPROXIMATELY 27" FORWARD OF LOWER FORWARD CARGO DOOR CORNER. REPAIRED IAW RD 8-53-5384, RD 8/53*9176 AND HORIZON AIR EA 2-53-772.

Part: SKIN — GROUND DAMAGE (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 LADDER DAMAGE AT X150.000, 1" ABOVE LOWER LEFT FUSELAGE STRAP. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-20-26 AND 51-20-36.

Part: SKIN — CHAFED (TE FLAP) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 CHAFE DAMAGE ON LEFT INSIDE FLAP TOP SURFACE. REPAIRED IAW RD 8-51-1022.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 STRINGER 31L IS CORRODED IN VERT8ICAL LEG OUTBOARD SIDE BETWEEN X167 AND X182. REPAIRED IAW DHC-8-200 SRM 51-20-11 AND HORIZON AIR EA 2-53-759.

Part: STRUCTURE — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 MULTIPLE STRAP BUCKLE NICKS ON LOWER LEFT FUSELAGE AT LOWER FORWARD CARGO DOOR CORNER. REPAIRED IAW DHC-8-200 SRM 51-40-11, 51-20-16 AND SRM 51-20-26.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 RIGHT HAND ENGINE FIRE WALL HAS CRACK INBOARD AT 2 O'CLOCK POSITION WHERE FIRE BLANKET ATTACHES TO FRAME ANGLE. REPAIRED IAW RD 8-54-651.

Part: PSU — CRACKED (CABIN) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 PSU CRACKED AT SEAT 6AB POSITION. REPLACED WITH NEW FROM STOCK.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 SEAT TRACK NR 10 HAS SEVERAL SPOTS OF PAINT PEELING OR MISSING. REPAIRED IAW RD 8-53-1342 AND DHC-8-200 SRM 51-20-16, 51-20-26.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 LEFT AFT OUTBOARD SEAT TRACK HAS PAINT CHIPPING AND/OR WEARING IN AREAS OF THE SEAT FOOT CONTACT POINTS AND AT THE TRACK COVER CONTACT POINTS. REPAIRED IAW RD 8-53-3649 AND DHC-8-200 SRM 51-20-16, 51-20-26.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 NR 11 SEAT TRACK HAS SEVERAL SPOTS OF CORROSION IN SEAT HOLD DOWN CHANNEL. REPAIRED IAW RD 9-53-1342 AND DHC-8-200 SRM 51-20-16, 51-20-26.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 LEFT CENTER INBOARD SEAT TRACK NR 5 HAS PAINT CHIPPING AND/OR WEARING AT THE SEAT FOOT CONTACT POINTS AND AT THE TRACK COVER CONTACT POINTS. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-20-26 AND RD8-53-1339.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 SEAT TRACK NR 10 HAS LIGHT SURFACE CORROSION AT STATION 374 INSIDE HOLD DOWN CHANNEL. REPAIRED IAW RD 8-53-1342 AND DHC-8-200 SRM 51-20-16, 51-20-26.

Part: SEAT TRACK — DAMAGED (FUSLEAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 SEAT TRACK NR 11 HAS PAINT MISSING AND PEELING ON TOP. REPAIRED IAW RD 8-536-1342 AND DHC-8-200 SRM 51-20-16, 51-20-26.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 LEFT FORWARD INBOARD SEAT TRACK NR 4 IS GOUGED AT TWO SEAT FOOT NOTCHES AT ABOUT STATION X282. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-20-26, RD 8-53-1339

Part: WEB — CORRODED (BS 510 S23) · airframe 19,636 hrs · 28,357 cycles

PDX C4 WEB HAS NUMEROUS AREAS OF CORROSION AROUND RIVET HEADS JUST AFT OF FRAME 510 AT STRINGER 23. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-00 AND 51-40-11.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 RIGHT NACELLE FIREWALL CRACKED, OUTBOARD SIDE APPROXIMATELY 10" DOWN FORM ROOF. REPAIRED IAW DHC-8-200 RD 8-54-611.

Part: NUT PLATE — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 UPPER TCAS ANTENNA NUT PLATES CORRODED. REPLACED IAW DHC-8-200 SRM 51-40-11.

Part: SKIN — DENTED (RT NACELLE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 OUT DENT AT APPROXIMATELY X287.400, 3' BELOW RIGHT HAND LOWER STRAP. REPAIRED IAW DHC-8-200 RD 8-53-2181.

Part: WEB — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 WEB JUST AFT OF FRAME 424 AT STATION X424.000 AND STRINGER 23 HAS A AREA OF CORROSION ADJACENT TO WEB BRACKET. REPAIRED IAW DHC-8-200 SRM 51-20-16, 51-10-00, 51-40-00 AND 51-40-11.

Part: DOOR FRAME — CORRODED (EMERGENCY EXIT) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CORROSION ON ATTACH ANGLE FROM RIGHT HAND EMERGENCY EXIT FORWARD FRAME X242, AND GALLEY/LAV OUTBOARD MOUNTING ANGLE AT AFT EDGE. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16 AND 51-40-00.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 X600 Y27R AND Z100 STRUCTURE HAS CORROSION AT NUT PLATE. REPAIRED IAW DHC-8-200 SRM 51-20-11.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CORROSION ON ATTACH ANGLE FROM AFT DOOR FRAME OF RIGHT HAND EMERGENCY EXIT X262.40 AND SEAT TRACK ON BOTTOM SIDE OF ANGLE BY RIVET TAIL. REPAIED IAW DHC-8-200 SRM 51-20-11 AND 51-20-16.

Part: SEAT TRACK — CORRODED (BS 217-244) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 SEAT TRACK NR 7 HAS CORROSION BETWEEN STATION 217 AND 244. REPAIRED IAW RD 8-53-4473 AND DHC-8-200 SRM 51-40-11.

Part: SILL — CORRODED (EMERGENCY EXIT) · airframe 19,636 hrs · 28,357 cycles

PDX C4 CORROSION ON SILL PLATE OR RIGHT HAND EMERGENCY EXIT AT FORWARD END OF LEVELING DATA PLATE. REPAIRED IAW DHC-8-200 SRM 51-20-11 AND SRM 51-20-16.

Part: SKIN — CORRODED (RT) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND RIGHT HAND FUEL PANEL 624AT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-611.

Part: SKIN — CORRODED (RT WING) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND RIGHT HAND FUEL PANEL 624BT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-633.

Part: SHEAR TIE — CORRODED (BS 151 S29-30L) · airframe 19,636 hrs · 28,357 cycles

PDX C4 THE FRAME TO SKIN FLANGE APPEARS TO HAVE SURFACE CORROSION AT STATION X151 BETWEEN STRINGERS 30P AND 29P. REPAIRED IAW DHC-8-200 SRM 51-20-26.

Part: SKIN — CORRODED (LT WING) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND LEFT HAND FUEL PANEL 524CT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-984.

Part: SKIN — CORRODED (LT WING) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND RIGHT HAND FUEL PANEL 624CT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-984.

Part: FRAME — CORRODED (BS 182 S31L) · airframe 19,636 hrs · 28,357 cycles

PDX C4 THE FORWARD FACE OF THE FRAME AT STATION X182 HAS A 1/2" SPOT OF CORROSION ABOUT 2" OUTBOARD OF STRINGER 31P AND 1" ABOVE THE SKIN. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND SRM 51-20-26.

Part: SKIN — CORRODED (LT WING) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND LEFT HAND FUEL PANEL 524BT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-633.

Part: SKIN — DENTED (ESCAPE HATCH) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 DENT ON EXTERIOR SKIN OF COCKPIT ESCAPE HATCH APPROXIMATELY 2.5" FROM LEFT SKIN EDGE AND 10.5" FROM FORWARD SKIN EDGE. REPAIRED IAW RD 8-53-5384 AND DHC-8-200 SRM 51-20-26.

Part: SHEAR TIE — CORRODED (BS 167 S31-32L) · airframe 19,636 hrs · 28,357 cycles

PDX C4 THE FRAME TO SKIN FLANGE APPEARS TO HAVE SURFACE CORROSION AT STATION X167 BETWEEN STRINGERS 31P-32P, 30P-31P AND 29P-30P. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND SRM 51-20-26.

Part: SHEAR TIE — CORRODED (BS 151 S31-32R) · airframe 19,636 hrs · 28,357 cycles

PDX C4 THE FRAME TO SKIN FLANGE APPEARS TO HAVE SURFACE CORROSION AT STATION X151 BETWEEN STRINGERS 32S AND 31S. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND 51-20-36.

Part: SHEAR TIE — CORRODED (BS 167 S31-32R) · airframe 19,636 hrs · 28,357 cycles

PDX C4 THE FRAME TO SKIN FLANGE APPEARS TO HAVE SURFACE CORROSION AT STATION X167 BETWEEN STRINGERS 32S-31S AND 31S-30S. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND SRM 51-20-26.

Part: SKIN — CORRODED (LT WING) · airframe 19,636 hrs · 28,357 cycles

PDX C4 LIGHT FRETTING AROUND LEFT HAND FUEL PANEL 524AT APERATURE. REPARIED IAW DHC-8-200 RD 8-57-611.

Part: MOUNT — CORRODED (CARGO BAY) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 X619 AND Y29R AMD APPROXIMATELY Z112 THERE IS LIGHT CORROSION ON BAG PIT 'D' RING MOUNT FITTING. CLEANED AREA, INSPECTED AND FOUND NO CORROSION ON 'D' RING MOUNT.

Part: STRINGER — CHAFED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 TAIL FUSELAGE STRINGER 5 RT FORWARD OF FRAME NR 5 CHAFED BY FLEXIBLE HYDRAULIC LINE. REPAIRED IAW DHC-8-200 SRM 51-40-00, 51-40-11 AND HORIZON EO 2-29-19.

Part: PRESSURE PANEL — DAMAGED (FUSELAGE) · airframe 19,636 hrs · 28,357 cycles

PDX C4 PRESSURE PANEL 121AL HAS ONE SCREW DRILLED OFF IN UPPER FORWARD CORNER NUT PLATE. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: FRAME — CORRODED (MLG) · airframe 19,636 hrs · 28,357 cycles

PDX - C4 RIGHT MAIN LANDING GEAR AIRCRAFT H FRAME AT MAIN LANDING GEAR RETRACTION ACTUATOR FITTING HAS PITTING CORROSION. REPAIRED IAW RD 8-54-1178.

Part: SWITCH — STICKING (ENGINE START) · airframe 19,603 hrs · 28,309 cycles

PDX FLIGHT 2139 - NR 1 ENGINE FAILED TO LIGHT OFF, RAMP REPORTED LOTS OF WHITE SMOKE COMING FROM REAR OF NACELLE. SMELL OF FUEL INSIDE AND OUTSIDE DURING START ATTEMPT. RAN START ABORT CHECKLIST. CAUSE UNKNOWN. MAINTENANCE INSPECTED, FOUND AUTO RELIGHT SWITCHES TO BE STICKING. OPERATED NR 1 POWER LEVER THROUGH FULL TRAVEL. STARTED NR 1 ENGINE SEVERAL TIMES IN AUTO POSITION. AIRCRAFT OPERATED NORMALLY IN ALL STARTS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ELEMENT — MALFUNCTIONED (FUEL HEATER) · airframe 19,467 hrs · 28,096 cycles

SEA FLIGHT NR 2180, NR 1 ENGINE FUEL TEMPERATURE HIGH. MAINTENANCE REPLACED THE FUEL HEATER THERMAL ELEMENT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LINE — UNKNOWN (HYD SYSTEM) · airframe 19,127 hrs · 27,611 cycles

PDX FLIGHT NR 2208 - NR 2 HYDRAULIC SYSTEM FAIL AFTER PUSHBACK. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR DOWN HYDRAULIC LINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: NONE — NONE (CABIN) · airframe 18,873 hrs · 27,246 cycles

PDX FLIGHT NR 2094, UNABLE TO CONTROL CABIN OR FLIGHT COMPARTMENT TEMPERATURE IN MANUAL MODE. PERFORMED PACK VALVE UNLATCHED CHECKLIST AND TEMP SEEMS CONTROLLED IN BOTH MANUAL AND AUTO MODE. MAINTENANCE COMPLIED WITH FUNCTIONAL TEST OF TEMPERATURE CONTROL SYSTEM IAW DHC-8-200 AMM TASK 21-60-00-720-801. FUNCTIONAL TEST GOOD IN BOTH AUTO AND MANUAL MODES. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: GCU — MALFUNCTIONED (NR 2) · airframe 18,538 hrs · 26,763 cycles

SEA FLIGHT NR 2176 DURING ENGINE START BOTH LEFT AND RIGHT TRU CAUTION LIGHTS WEREN'T ILLUMINATED. AFTER DISCONNECTING EXTERNAL POWER BOTH LIGHTS CAME ON. HOWEVER, NR 2 DC GENERATOR LIGHT ON. RESET VIA CHECKLIST HOWEVER, EVENT REOCCURRED. MAINTENANCE REPLACED NR 2 GCU AND GENERATOR. OPERATIONAL CHECK GOOD. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 18,508 hrs · 36,727 cycles

PDX - AFT TWO RED LIGHTS ON EMERGENCY FLOOR TRACK LIGHTING AT ROW 1 INOP. MAINTENANCE REPLACED POWER SUPPLY AT PS6. ALL EMERGENCY LIGHTS OPERATE NORMALLY. CHECK GOOD IAW AMM TASK 33-51-01-701-801. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — MALFUNCTIONED (EMERGENCY LIGHT) · airframe 18,169 hrs · 26,242 cycles

PDX - TWO RED LIGHTS IN EMERGENCY PATH LIGHTING INOP AT ROW 1. MAINTENANCE REPLACED BATTERY PAC P55. EMERGENCY LIGHTS OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 18,017 hrs · 26,035 cycles

PDX FLIGHT NR 2266, AFTER START WHEN BLEED FLOW CONTROL KNOB SELECTED TO 11 O`CLOCK POSITION OR HIGHER CABIN PRESSURIZES/DEPRESSURIZIES AT INCREASING RATES AND SPEEDS (500' UP/DOWN THEN 1000'). WHEN KNOB SELECTED TO MANUAL, AIRCRAFT PRESSURIZED AT 2000 FPM. MAINTENANCE REPLACED CABIN PRESSURE CONTROLLER IAW DASH-8 200 AMM 21-30-06, PAGES 401-404. STEP 4B ON PAGE 404. COMPLIED WITH FUNCTIONAL TEST OF THE PRESSURIZATION CONTROL SYSTEM IAW TASK 21-30-00-720-801. AIRCRAFT RETURNED TO SERVICE

Part: PUMP — MALFUNCTIONED (HP FUEL) · airframe 18,014 hrs · 26,026 cycles

AT 500 FT AGL ON CLIMBOUT, RUNWAY 4 NR 1 ENGINE FAILED WITH AN AUTOFEATHER AND POWER OPTIMUM ON NR 2 ENGINE. COMPLETED ENGINE FAILURE CHECKLIST ON IAC, NH WAS NOT BELOW 60 PERCENT BUT NP WAS BELOW 300 CONTINUED WITH SHUTDOWN OF NR 1 ENGINE. NO DEFECTS OR SPILLS OBSERVED ON POST FLIGHT WALKAROUND. MAINTENANCE PERFORMED SPECIAL INSPECTION PER DHC8-200 MM 05-50-76-210-801 PARAGRAPH B, ON GROUND RUN FOUND NR 1 ENGINE CYCLING IN NH, TQ, NL AND NP. REPLACED MFC AND FUEL PUMP PER MTC 97320-001, ALSO INSPECTED HP ON LP FUEL FILTERS FOR CONTAMINATION, INSPECTED NR 1 ENGINE P3 AND SWAPPED ALL FUEL TANKS. FUEL CONTROL P/N 3117175-03, S/N C31228V, TSN 3601.2 AND CSN 5159. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE

Part: HYDRAULIC SYSTEM — MALFUNCTIONED (NR 2 MAIN) · airframe 18,004 hrs · 26,012 cycles

MFR FLIGHT 2125 UPON GEAR RETRACTION, RECEIVED NR 2 ENGINE HYDRAULIC PUMP CAUTION LIGHT, NR 2 MAIN PRESSURE DROPPED TO -0-. FLUID LEVEL REMAINED NORMAL. RAN CHECKLIST, CAUTION LIGHT EXTINGUISHED AFTER APPROXIMATELY FIVE MINUTES. MAIN HYDRAULIC PRESSURE RETURNED TO 3000 PSI. MAINTENANCE COMPLIED WITH DHC 8 200 AMM MAIN SYSTEM CYCLING TEST TASK 29-00-00-730-801. NO DEFECTS NOTED. NR 2 SYSTEM HELD PRESSURE DURING TEST. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LATCH — INOPERATIVE (BREAKER DOOR) · airframe 17,940 hrs · 25,916 cycles

PDX FLIGHT NR 2208 - GALLEY BREAKER PANEL DOOR INOP. MAINTENANCE RELATCHED GALLEY BREAKER DOOR AS REQUIRED. NO PARTS REPLACED. OPERATIONAL CHECK GOOD.

Part: BOLT — LOOSE (HAND RAIL) · airframe 17,699 hrs · 25,545 cycles

SEA - MAIN CABIN DOOR WILL NOT OPEN. MAINTENANCE INSPECTED AND FOUND LOOSE BOLT AT AFT HANDRAIL PIVOT POINT. TIGHTENED BOLT. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — MALFUNCTIONED (FUEL SYS) · airframe 17,698 hrs · 25,544 cycles

SEA FLIGHT NR 2176 - AFTER PUSHBACK, POWER LEVERS MOVED TO FLIGHT IDLE, PROP LEVERS MOVED TO MAX TORQUE ON NR 2 ENGINE INDICATED 62 PERCENT AND WARNING HORN SOUNDED. THE TORQUE INDICAITON OCCURED AS THE PROPS WERE COMING OUT OF FEATHER. SECONDS LATER, TORQUE WAS NORMAL. MAINTENANCE REPLACED NR 2 FUEL PUMP AND FUEL CONTROL P/N 3244853-18, S/N C31264T, 11821 TSN 17005 CSN 104.3 TSR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ECU — INACCURATE (NR 1 ENGINE) · airframe 17,628 hrs · 25,435 cycles

SEA FLIGHT 2026 - NR 1 ENGINE MANUAL CAUTION LIGHT ILLUMINATED, STAYED ILLUMINATED AFTER CHECKLIST PROCEDURE. MAINTENANCE RESET NR 1 ENGINE ECU PER DHC-8 200 AMM MCN 27631-01. RAN NR 1 AND NR 2 ENGINE AT VARIOUS POWER SETTINGS. NR 1 ECU STAYED ON. CYCLED NR 1 ECU OFF AND ON SEVERAL TIMES WITHOUT ANY DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LOCK — LACK OF LUBE (COCKPIT SEAT) · airframe 17,345 hrs · 24,998 cycles

SEA FLIGHT NR 2105, AFTER LANDING, WHEN THE BRAKES WERE APPLIED, THE CAPTAIN'S SIDE SEAT MOVED TO THE FULL FORWARD POSITION. MAINTENANCE LUBRICATED CAPTAINS SEAT LOCK MECHANISM. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — INOPERATIVE (NR 2) · airframe 17,181 hrs · 24,744 cycles

NR 2 DC GENERATOR CAUTION ILLUMINATED. CYCLED ON AND OFF TWICE BEFORE RETURNING TO GATE. MAINTENANCE REMOVED AND REPLACED NR 2 DC GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — FAILED (WINDSHIELD HEAT) · airframe 16,270 hrs · 23,343 cycles

THE FLIGHT RETURNED TO FIELD AFTER THE HEAT ELEMENT FOR THE F/O'S WINDSHIELD SPARKED AND DEVELOPED A SMALL FLAME. THE FLAME WENT OUT WHEN THE WINDSHIELD HEAT WAS TURNED OFF. A CRACK WAS ALSO DISCOVERED ON THE F/O'S WINDSHIELD. MAINTENANCE REMOVED THE NR 2 HEAT CONTROLLER AND THE WIRE TERMINAL. MAINTENANCE ALSO REMOVED AND REPLACED THE CRACKED WINDSHIELD. C/W OPERATIONAL TEST OF THE F/O WINDSHIELD HEAT IAW 30-41-00-710-801. OPERATIONAL AND VISUAL CHECKS GOOD. NO DAMAGE NOTED TO WINDSHIELD FRAME OR SURROUNDING AREA.

Part: POTENTIOMETER — OUT OF ADJUST (AUTOFEATHER SYS) · airframe 16,188 hrs · 23,220 cycles

SEA - FLIGHT 2203 TAKEOFF ABORTED AT 60 KTS DUE TO FAILURE OF AUTOFEATHER TO ARM. MAINTENANCE ADJUSTED NR 1 AND NR 2 ENGINE POWER LEVER POTENTIOMETERS IAW Q200 MM ER TR ER-10, DATED MAR 25/2004, PART 7, PAGE 32 TO 35, PARAGRAPH 5-1 A, B, C, (1) THRU (38). OPERATIONAL CHECK GOOD. ALL PARAMETERS ARE WITHIN FIGURE 501. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: AUTOFEATHER SYS — FAILED · airframe 16,188 hrs · 23,220 cycles

SEA - FLIGHT 2203 TAKEOFF ABORTED AT 60 KTS DUE TO FAILURE OF AUTOFEATHER TO ARM. DEFERRED IAW MRL 61-2. REF RSI 345810.

Part: BRUSH BLOCK — BURNED (ZONE 100) · airframe 16,134 hrs · 23,142 cycles

SEA - ON FLT NR 2047, RT TRU CAUTION MESSAGE, ALSO NR 2 SPU AUX POWER AND RT STALL WARNING ILLUMINATED AT THE SAME TIME. RT STALL WARNING WAS INTERMITTENTLY ILLUMINATING ON AND OFF THROUGHOUT FLT. MAINTENANCE FOUND NR 2 PROP BRUSH BLOCK BURNED/ARCHED. REMOVED AND REPLACED BRUSH BLOCK. PERFORMED FUNCTIONAL TEST OF PROP DE-ICE SYSTEM. RESET RT TRU CIRCUIT BREAKER. NO OTHER DEFECTS. PERFORMED STALL WARNING TEST, NO DEFECTS NOTED. ALL CAUTION LIGHTS EXTINGUISHED. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — DIRTY (AUTOFEATHER SYS) · airframe 15,977 hrs · 22,922 cycles

EUG FLIGHT 2062 AUTOFEATHER DID NOT ARM ON TAKEOFF. TAKEOFF WAS ABORTED AT 70 KIAS. PLACED ON RSI 348686. ON 12/20/04 MAINTENANCE REPLACED 6121-K6 AND 6121-K7 (AUTO ARM RELAYS). CLEANED AND LUBED AUTOFEATHER SWITCHES ON QUADRANT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: AUTOFEATHER SYS — MALFUNCTIONED · airframe 15,542 hrs · 22,276 cycles

BLI - FLIGHT 2157 AUTOFEATHER SYSTEM FAILED TO ARM DURING TAKEOFF ROLL. TAKEOFF ABORTED BELOW 60 KTS. MAINTENANCE COMPLIED WITH AUTOFEATHER SYSTEM AND POWER UPTRIM CHECK IAW DHC-8 AMM 71-00-00-868-027, PAGE 560-562. TEST CHECK GOOD. NO PARTS REPLACED AIRCRAFT RETURNED TO SERVICE.

Part: TRIM TAB — OUT OF RIG (ZONE 300) · airframe 14,877 hrs · 21,278 cycles

OTH - FLIGHT 2208 - WHEN AUTOPILOT SELECTED OFF DURING DESCENT AIRCRAFT IMMEDIATELY ROLLED RIGHT. TOOK 1/2 AILERON TRIM TO LEVEL. ROLL CONTROL FEELS SLUGGISH AND STIFF. AIRCRAFT LANDED SAFELY. RIGGED ADJUSTABLE TAB PER DHC-8 MM 27-13-00-830-801. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DAMAGED (ZONE 300) · airframe 14,853 hrs · 21,244 cycles

PDX - RIGHT HAND AILERON HAS IMPACT DAMAGE FROM OUTBOARD EDGE, 9 INCHES FROM TRAILING EDGE ON TOP PANEL. REPAIRED IAW RD 8-57-2861 AND HORIZON AIR EA 2-57-261.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,853 hrs · 21,244 cycles

PDX - NR 11 SEAT TRACK HAS SUSPECTED PITTING CORROSION AT STATION X484.5 TO 499.0. REPAIRED IAW DHC-82 SRM 51-40-11.

Part: FLAP TRACK — CORRODED (ZONE 500) · airframe 14,853 hrs · 21,244 cycles

PDX - LEFT HAND NR 4 FLAP TRACK OUTBOARD UPPER FLANGE HAS PITTING CORROSION. REPAIRED IAW RD 8-57-988.

Part: SEAT TRACK — CORRODED (ZONE 500) · airframe 14,853 hrs · 21,244 cycles

PDX - LEFT HAND NR 5 SEAT TRACK INBOARD CENTER FLANGE HAS PITTING CORROSION. REPAIRED IAW RD 8-57-989.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,853 hrs · 21,244 cycles

PDX - SEAT TRACK NR 10 HAS SUSPECTED PITTING CORROSION AT STATION X277. REPAIRED IAW SRM 51-40-11.

Part: FLAP TRACK — CORRODED (ZONE 600) · airframe 14,853 hrs · 21,244 cycles

PDX - NR 4 FLAP TRACK HAS PITTING CORROSION ON LOWER OUTBOARD TRACK UPPER SURFACE. REPAIRED IAW RD 8-57-988.

Part: SEAT TRACK — CORRODED (ZONE 400) · airframe 14,853 hrs · 21,244 cycles

PDX - LEFT HAND NR 5 SEAT TRACK INBOARD UPPER FLANGE HAS PITTING CORROSION. REPAIRED IAW RD 8-57-989.

Part: SPAR — CORRODED (ZONE 600) · airframe 14,853 hrs · 21,244 cycles

PDX - CORROSION ON FRONT SPAR LOWER AFT FLANGE UNDER PANEL 625 AT ONE INCH AFT OF FRONT SPAR VERTICAL PANEL AT RIGHT HAND WING STATION 423.00. REPAIRED IAW DHC-8-200 MM 57-20-00, TASK 57-20-00-400-801.

Part: FLAP TRACK — CORRODED (ZONE 500) · airframe 14,853 hrs · 21,244 cycles

PDX - LEFT HAND NR 5 FLAP TRACK INBOARD LOWER FLANGE HAS PITTING CORROSION. REPAIRED IAW RD 8-57-989.

Part: HINGE — CUT (ZONE 500) · airframe 14,853 hrs · 21,244 cycles

PDX - LEFT AILERON SPRING TAB HINGE AT YW435.30 LEFT HAND DAMAGED, HINGE TAB UNDERCUT BY HINGE BUSHING. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 14,201 hrs · 20,272 cycles

PDX - FORWARD CABIN ESCAPE EXIT LOWER EMERGENCY LIGHT EXIT SIGN INOP. MAINTENANCE REPLACED THE LENS AND LAMP ASSEMBLY WITH NO HELP. REPLACED THE PS5 POWER SUPPLY CONTROL BOX. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CRACKED (RUDDER) · airframe 13,616 hrs · 19,406 cycles

PDX- A 2.25 INCH LONG CRACK IN SKIN OF FORE RUDDER NEAR TOP AFT CORNER. REPAIRED IAW DHC-8 RD 8-55-335.

Part: PANEL — DAMAGED (NACELLE) · airframe 13,572 hrs · 19,351 cycles

PDX- CREASE IN PANEL 261GT AND HOLE IN NACELLE SKIN JUST ABOVE LEFT HAND COWL DOOR. REPAIRED IAW HORIZON AIR EA 2-54-194 AND RD8-54-1851.

Part: GCU — FAILED (DC SYSTEM) · airframe 13,310 hrs · 18,963 cycles

ON FLIGHT 2228 FLIGHT ATTENDANT REPORTED EMERGENCY LIGHTS ON CONTINUOUSLY DURING START UP WHILE POWER LEVERS IN DISC AND CONDITION LEVERS IN FEATHER. EMERGENCY LIGHTS EXITING WHEN PROPS BROUGHT OUT OF FEATHER. REMOVED AND REPLACED NR 1 DC GCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — FAILED (LANDING GEAR) · airframe 12,972 hrs · 18,469 cycles

SEA- ON FLIGHT 2175 EN ROUTE TO SEA GOT LANDING GEAR INOPERATIVE CAUTION LIGHT. USED ALTERNATE EXTENSION 1 UPON LANDING. GEAR INOPERATIVE LIGHT EXITING, NOSE WHEEL STEERING LIGHT CAME ON AND LOST STEERING. REMOVED AND REPLACED RELAY 3261-K14. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DENTED (FUSELAGE) · airframe 12,862 hrs · 18,300 cycles

PDX- DENT IN FUSELAGE EIGHT FEET BACK OF ESCAPE HATCH 12 O'CLOCK POSITION ON THE RIGHT HAND SIDE. REPAIRED IAW DHC-8 RD 8-53-2181.

Part: HYDRAULIC LINE — CRACKED (HYD SYSTEM) · airframe 12,753 hrs · 18,134 cycles

EUG- DURING TAXI LOST ALL HYDRAULIC FLUID ON NR 2 SIDE. FOUND HYDRAULIC LINE CRACKED. REPLACED LINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (ZONE 100) · airframe 12,475 hrs · 17,723 cycles

SEA-ON FLIGHT NUMBER 2008, ON CLIMBOUT THROUGH 8,000 FEET, RUDDER PRESSURE AND RUDDER PRESSURE CAUTION LIGHTS ILLUMINATED. REMOVED AND REPLACED DUAL LEVEL PRESSURE REGULATOR. PERFORMED OPERATIONAL CHECK OF DUAL PRESSURE REGULATOR VALVE. OPERATIONAL/LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — FAILED (ZONE 200) · airframe 11,754 hrs · 16,635 cycles

PDX- NO.1 DC GENERATOR CAUTION LIGHT ILLUMINATED. RAN EMERGENCY CHECKLIST, NO OTHER LIGHTS ASSOCIATED WITH PROBLEM. REMOVED AND REPLACED NO.1 STARTER GENERATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: INVERTER — MALFUNCTIONED (COCKPIT) · airframe 10,651 hrs · 15,031 cycles

PDX- AUX INVERTER CAUTION LIGHT IS ILLUMINATED WITH SMOKE IN THE FLIGHT DECK. REMOVED AND REPLACED AUX INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X252.70 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X312.35 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: BRACKET — CRACKED (RT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- RIGHT NACELLE, INSIDE TAIL CONE REFUEL/DEFUEL VALVE MOUNT BRACKET IS CRACKED. REPAIRED IAW DHC-8 SRM 51-40-11 AND SRM 28-25-11.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X202.72 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT FOR NR 7 SEAT TRACK AT STATION X333.30 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- NR 7 SEAT TRACK HAS INTERGRANULAR CORROSION IN SEVERAL PLATES. REPAIRED IAW DHC-8 RD8-53-1102, SRM 20-09-06, PG 201 AND HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X370.80 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X240.5 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X222.70 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X354.25 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X290.50 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- ATTACH POINT HOLE FOR NR 7 SEAT TRACK AT STATION X291.40 SUPPORT BEAM IS OVERSIZED. REPAIRED IAW HORIZON AIR EA 2-53-389.

Part: STRUCTURE — GOUGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- STRUCTURE IS GOUGED. ADJACENT TO HORIZONTAL ATTACH HI-LOKS AT FORWARD END OF NEW NR 7 SEAT TRACK. REPAIRED IAW DHC-8 SRM 51-20-16.

Part: ANTENNA — CORRODED (TCAS) · airframe 9,994 hrs · 14,036 cycles

PDX- LOWER TCAS ANTENNA HAS CORROSION AT AIRCRAFT SIDE. REPAIRED IAW DHC-8 SRM 53-00-16 AND SRM 51-20-16.

Part: BRACKET — LOOSE (GUST LOCK) · airframe 9,994 hrs · 14,036 cycles

PDX- ELEVATOR GUST LOCK BRACKETS, BOTH ARE LOOSE AND SMOKING. REPAIRED IAW DHC-8 RD 8-55-112, SRM 27-32-11, PG 402, 403 AND SRM 27-70-11, PG 401.

Part: SKIN — SCRATCHED (LT WING) · airframe 9,994 hrs · 14,036 cycles

PDX- THERE IS A DEEP SCRATCH ON UPPER SKIN AT STATION YW199.00 ON LT WING. REPAIRED IAW DHC-8 SRM 51-20-11 AND 51-20-56.

Part: WEB — GOUGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEB IS GOUGED AND DENTED AT CENTER MOUNT FOR ISOLATION VALVE LEFT HAND YW01.500 FORWARD SPAR. REPAIRED IAW DHC-8 RD 8-53-5437.

Part: PANEL — DAMAGED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- DAMAGED COUNTERSINK HOLE ON AFT UPPER PANEL FASTENER HOLE FORWARD RIGHT HAND FUSELAGE SKIN ADJACENT TO PANEL 122AR. REPAIRED IAW DHC-8 RD 8-53-4317.

Part: SPAR — CHAFED (RT WING) · airframe 9,994 hrs · 14,036 cycles

PDX-LOWER RT INBOARD WING SPAR IS HEAVILY CHAFED AND TEFLON PAINT IS MISSING. REPAIRED IAW DHC-8 RD8-57-811 AND SRM 51-20-26.

Part: SKIN — DENTED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- DENT IN FUSLAGE SKIN 1.5 INCHES AFT OF CENTERLINE. REPAIRED IAW HORIZON AIR EA 2-53-388.

Part: SKIN — DENTED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- DENT IN BELLY SKIN 1.5 INCHES RIGHT OF CENTER LINE, LOCATED 2 INCHES FORWARD OF FRAME 136.800. REPAIRED IAW HORIZON AIR EA 2-53-388.

Part: PANEL — CHAFED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 524 AT SECOND RIB FROM OUTBOARD HAS CHAFE DAMAGE AT FUEL WIGGINGS FITTING. REPAIRED IAW HORIZON AIR EA 2-57-161.

Part: RUB STRIP — CHAFED (RUDDER) · airframe 9,994 hrs · 14,036 cycles

PDX- FORE RUDDER RUB STRIP CHAFED. REPAIRED IAW DHC-8 SRM 51-20-51, 51-40-11 AND HORIZON AIR EA 2-55-65.

Part: CLIP — CRACKED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CRACKED CLIP ON REAR FUSELAGE FRAME 4 AND STRINGER 4L. REPAIRED IAW DHC-8 RD 8-55-199.

Part: CLIP — CRACKED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CRACKED CLIP AT REAR FUSELAGE FRAME 4 AND STRINGER 4R. REPAIRED IAW DHC-8 RD 8-55-199.

Part: SKIN — BENT (CARGO DOOR) · airframe 9,994 hrs · 14,036 cycles

PDX- CARGO DOOR, LOWER EDGE OF SKIN AT FORWARD DOOR STOP IS BENT. REPAIRED IAW HORIZON AIR EA 2-52-125.

Part: STRINGER — CRACKED (LT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- LT NACELLE FINGERNAIL DECK FORE AND AFT LOWER STRINGERS ARE CRACKED. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: TAIL CONE — CHAFED (RT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- RIGHT NACELLE INSIDE TAIL CONE THERE IS CHAFING TO THE UNDERSIDE OF DECK. REPAIRED IAW DHC-8 RD 8-54-097.

Part: SKIN — CHAFED (CARGO DOOR) · airframe 9,994 hrs · 14,036 cycles

PDX- CARGO DOOR EXTERNAL SKIN, TOP FORWARD AREA HAS CHAFE DAMAGE. REPAIRED IAW DHC-8 SRM 52-20-16, SRM 51-20-11, PG 3 & 6, SRM 51-20-16, PG 2-4, SRM 51-20-36 AND SRM 51-20-51.

Part: TAIL CONE — CHAFED (RT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- RIGHT NACELLE TAIL CONE AFT SIDE HAS CHAFING ON INBOARD SIDE BY NUT PLATES. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: PANEL — CORRODED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 524CT HAS FRETTING CORROSION ON OUTBOARD FLANGE. REPAIRED IAW DHC-8 SRM 51-20-16 AND RD 8-57-320.

Part: PANEL — CORRODED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 524BT HAS FRETTING CORROSION ON OUTBOARD FLANGE. REPAIRED IAW DHC-8 SRM 51-20-16 AND RD 57-320.

Part: FIREWALL — CRACKED (LT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- LT ENGINE FIREWALL INBOARD APPROXIMATELY MIDWAY DOWN HAS A ONE INCH CRACK. REPAIRED IAW DHC-8 RD 8-54-806.

Part: MECHANISM — CHAFED (RT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- RT WHEEL WELL AFT DOOR MECHANISM IS CHAFED. REPAIRED IAW DHC-8 RD 8-54-1052.

Part: PLATE — CORRODED (TCAS ANTENNA) · airframe 9,994 hrs · 14,036 cycles

PDX- THE BASE PLATE HAS CORROSION ON THE AFT TCAS ANTENNA. REPAIRED IAW DHC-8 SRM 20-32-02 AND 53-00-16.

Part: RIVET — DAMAGED (CARGO DOOR) · airframe 9,994 hrs · 14,036 cycles

PDX- CARGO DOOR BOTTOM RIVET HEADS ARE DAMAGED NEXT TO LOWER RUBBER BUMPER, AND NEXT TO LOWER DOOR STOP MOUNT. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: ANGLE — CRACKED (LT NACELLE) · airframe 9,994 hrs · 14,036 cycles

PDX- CLOSING ANGLE CRACKED AT LT ENGINE FIREWALL INBOARD FORWARD SIDE. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: PANEL — CORRODED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 524BT HAS FRETTING CORROSION ON OUTBOARD FLANGE. REPAIRED IAW DHC-8 SRM 51-20-16 AND RD 8-57-320.

Part: FRAME — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- LT CABIN UNDERFLOOR HAS CORROSION AT FRAME 302.400 AND STRINGER 25 ON FLOOR SKIN. REPAIRED IAW DHC-8 SRM 51-20-36 AND 51-20-11.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN LT OUTBOARD SEAT TRACK FROM X277.5 TO X282.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1342.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR ON LT INBOARD SEAT TRACK AT X530.5. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4936.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN LT INBOARD SEAT TRACK FROM X266.0 TO X270.5. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1339.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- BAGGAGE COMPARTMENT FLOOR AFT RT SEAT TRACK NR 9 HAS CORROSION INSIDE CHANNEL. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4936.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- PITTING ON RT OUTBOARD SEAT TRACK AT X265.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1342.

Part: SEAT TRACK — SCRATCHED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- SCRATCH INSIDE LT INBOARD SEAT TRACK X328.25. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1339.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR INSIDE LT INBOARD SEAT TRACK FROM X285.0 TO 296.5. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1339.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN LT INBOARD SEAT TRACK AT X545.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4936.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CORROSION ON LT INBOARD SEAT TRACK AT STATION X222.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4698.

Part: WEB — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CORROSION ON WEB CLOSET AT X222 ATTACHED TO LEFT HAND INBOARD SEAT TRACK. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4698.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CORROSION ON LEFT HAND INBOARD SEAT TRACK FROM X208.75 TO 212.75. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-4698.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN LT INBOARD SEAT TRACK FROM X278.5 TO X283.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1339.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR INSIDE AND ON TOP OF RT INBOARD SEAT TRACK FROM X507.5 TO X518.5. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-3644.

Part: FRAME — CORRODED (AVIONICS RACK) · airframe 9,994 hrs · 14,036 cycles

PDX- FORWARD LT UNDERFLOOR OF PASSENGER CABIN HAS CORROSION ON TOP FRAME FOR AVIONICS RACK AT STATION 201.150. REPAIRED IAW DHC-8 SRM 51-20-36 AND 51-20-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- CORROSION ON LT OUTBOARD SEAT TRACK FROM X542.5 TO 545.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-3644.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN LT INBOARD SEAT TRACK FROM X338.75 TO X343.25. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- PITTING INSIDE OF RIGHT HAND OUTBOARD SEAT TRACK AT X467.0. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1342.

Part: FRAME — CORRODED (AVIONICS RACK) · airframe 9,994 hrs · 14,036 cycles

PDX- FORWARD LT UNDERFLOOR OF PASSENGER CABIN HAS CORROSION ON TOP FRAME OF AVIONICS RACK, ALSO ON NUT PLATES. REPAIRED IAW DHC-8 SRM 51-40-11, 51-20-11 AND 51-20-36.

Part: SPAR — GOUGED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL MATTING SURFACES THROUGHOUT FORWARD SPAR ARE GOUGED AND SCRATCHED ON FORWARD TURTLE BACK AREA. REPAIRED IAW DHC-8 SRM 51-20-36, 51-20-16 AND RD 8-57-1441.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN RT INBOARD SEAT TRACK FROM X472.0 TO 483.5. REPAIRED IAW DHC-8 SRM 51-10-4 AND RD 8-53-1342.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- WEAR IN RT INBOARD SEAT TRACK AT X545.0. REPAIRED IAW DHC-8 SRM 51-10-4.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 511AL OUTBOARD UPPER NUT PLATE BRACKET APPEARS TO BE CRACKED. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: FLANGE — GOUGED (RT WING) · airframe 9,994 hrs · 14,036 cycles

PDX- GOUGE IN RIGHT HAND WING LEADING EDGE TOP FLANGE AT YW207.00. REPAIRED IAW DHC-8 SRM 51-20-36 AND RD 8-57-1675.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 9,994 hrs · 14,036 cycles

PDX- PANEL 511AL OUTBOARD LOWER NUT PLATE BRACKET APPEARS TO BE CRACKED. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: FLANGE — GOUGED (RT WING) · airframe 9,994 hrs · 14,036 cycles

PDX- GOUGES AROUND NUT PLATE ON RT WING LEADING EDGE TOP FLANGE AT YW285.00. REPAIRED IAW DHC-8 SRM 51-20-36 AND RD 8-57-1675.

Part: SKIN — SCRATCHED (WING) · airframe 9,994 hrs · 14,036 cycles

PDX- SCRATCHES AND TOOLING MARKS ON BACK SIDE OF APERTURE FOR PANEL 623AT AT YW161.50. REPAIRED IAW DHC-8 SRM 51-20-11 AND 20-32-012.

Part: PAD — CHAFED (NR 1 COWLING) · airframe 9,994 hrs · 14,036 cycles

PDX- NR 1 ENGINE LOWER COWL BOTH CHAFE PADS AT TOP FORWARD LATCHES ARE CHAFED. REPAIRED IAW DHC-8 RD 8-71-018 AND DHC-8 SRM 51-40-00.

Part: SPAR — SCRATCHED (LT WING) · airframe 9,994 hrs · 14,036 cycles

PDX- THERE IS A DEEP SCRATCH ON LEADING EDGE MATTING SURFACE OF LT WING FORWARD SPAR UPPER LIP FROM YW171.000 TO YW202.000. REPAIRED IAW RD 8-57-1119.

Part: ANGLE — CHAFED (NR 1 COWLING) · airframe 9,994 hrs · 14,036 cycles

PDX- NR 1 ENGINE COWL LOWER DECK, AFT EDGE ANGLE CHAFED ALONG ENTIRE LENGTH. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: COWLING — CHAFED (NR 1 ENGINE) · airframe 9,994 hrs · 14,036 cycles

PDX- NR 1 ENGINE COWL, LOWER DECK RIGHT HAND CORNER IS CHAFED ALONG AFT EDGE. REPAIRED IAW DHC-8 SRM 51-20-11 PG 4.

Part: VALVE — MALFUNCTIONED (NR 2 ENGINE) · airframe 9,102 hrs · 12,766 cycles

PDX - SMOKE IN CABIN AFTER ENGINE START. REPLACED NR 2 ENGINE P2.5/3 SWITCHING VALVE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

airframe 8,137 hrs · 11,369 cycles

PSC - UPON INSPECTION, FOUND THE FLOOR PATH LIGHTING STRIPS IN NEED OF REPAIR. REMOVED AND REPLACED #1 AND #2 FORWARD FLOOR PATH LIGHTING STRIPS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 7,971 hrs · 11,161 cycles

PDX - A SECTION OF THE EMERGENCY FLOOR PATH LIGHTING WAS FOUND INOPERATIVE. REMOVED AND REPLACED DEFECTIVE SECTION OF THE PATH LIGHTING. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 6,084 hrs · 8,559 cycles

SEA- AT ROW 4A EMERGENCY FLOOR LIGHT IS NOT ILLUMINATING. MAINTENANCE PLACED ON MEL 33-13 NR 310806. AIRCRAFT RETURNED TO SERVICE.

Part: LATCH — LACK OF LUBE (PAX DOOR) · airframe 6,047 hrs · 8,507 cycles

BOI- MAIN CABIN DOOR HARD TO LATCH AND UNLATCH. INSPECTED DOOR, CLEANED AND LUBED DOOR LATCH MECHANISM. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: STOP — LACK OF LUBE (PAX DOOR) · airframe 5,136 hrs · 7,250 cycles

SEA- MAIN CABIN DOOR STICKS. CLEANED AND LUBED DOOR STOPS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SKIN — SCRATCHED (WING) · airframe 4,999 hrs · 7,056 cycles

YYC- SCRATCH IN LOWER WING SKIN OUTBOARD OF YW224.840. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: LIGHT — DAMAGED (CABIN) · airframe 4,999 hrs · 7,056 cycles

YYC- ALL SECTIONS OF EMERGENCY FLOOR TRACK LIGHTING ARE DAMAGED. REPLACED ALL SECTIONS OF EMERGENCY FLOOR TRACK LIGHT IAW DHC-8 SRM 33-51-11 PAGE 403.

Part: THRESHOLD — DAMAGED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- AFT CARGO DOOR UPPER SILL HAS DAMAGE AT STATION 580.5. REPAIRED IAW DHC-8 SRM 8-53-077 SECTION 1 PAGE 2.

Part: SKIN — GOUGED (PAX DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SMALL GOUGE ON MAIN CABIN DOOR EIGHT INCHES AFT OF DOOR LEADING EDGE AND NINE INCHES BELOW DOOR LOWERING ASSIST HANDLE. REPAIRED IAW DHC-8 SRM 52-437.

Part: SKIN — DENTED (COCKPIT) · airframe 4,999 hrs · 7,056 cycles

YYC- DENT ON EXTERIOR SKIN OF COCKPIT ESCAPE HATCH ON EDGE OF SKIN NEAR HATCH CENTER LINE. REPAIRED IAW HORIZON AIR EA 2-52-49.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,999 hrs · 7,056 cycles

YYC- LEFT HAND INBOARD SEAT TRACK IS CORRODED BEYOND LIMITS. REMOVED AND REPLACED SEAT TRACK IAW DHC-8 SRM 51-40-11 PAGE 1 SECTION 1 AND 2.

Part: FITTING — WORN (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- AFT CARGO DOOR SURROUND UPPER FORWARD FITTING AT STRINGER X564.5 HAS DEEP WEAR. REPAIRED IAW DHC-8 SRM 8-53-489.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,999 hrs · 7,056 cycles

YYC- RIGHT HAND FORWARD SEAT TRACK CORRODED BEYOND LIMITS. REPAIRED IAW DHC-8 SRM 51-4-00 TABLE 1 AND 2 PAGE 2.

Part: SKIN — DENTED (ESCAPE DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- DENT ON EXTERIOR SKIN OF COCKPIT ESCAPE HATCH 1.85 INCHES FROM RIGHT HAND EDGE OF SKIN AND 7.85 INCHES FROM LEADING EDGE OF SKIN, SLIGHT CREASE AT CENTER DENT. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: PANEL — DAMAGED (RT WING) · airframe 4,999 hrs · 7,056 cycles

YYC- PANEL 622AT ON RIGHT HAND WING HAS MINOR MARKS IN SURFACE OF FUEL LID AND WING UPPER SKIN. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: STRUCTURE — WORN (ENGINE COWL) · airframe 4,999 hrs · 7,056 cycles

YYC- WEAR MARKS IN TOP AFT SURFACE AREA OF LEFT HAND ENGINE BOTTOM COWL AT FIREWALL LOCATION. REPAIRED IAW DHC-8 SRM 8-71-189.

Part: FLAP TRACK — CORRODED (RT WING) · airframe 4,999 hrs · 7,056 cycles

YYC- RIGHT HAND FLAP TRACK OUTBOARD LOWER TRACK HAS PITTING. REPAIRED IAW DHC-8 SRM 8-57-11.

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- BAGGAGE DOOR SCRATCHED WHILE REINSTALLING DOOR NEAR FORWARD EDGE OF DOOR SKIN. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- BAGGAGE DOOR SCRATCHED WHILE BEING REMOVED FROM AIRCRAFT. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 4,999 hrs · 7,056 cycles

YYC- NUMEROUS PAINT CHIPS AND LIGHT CORROSION BELOW BAGGAGE DOOR STATION X547.5. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SCRATCH ON BAGGAGE DOOR FOUND TO BE BEYOND LIMITS. REPAIRED IAW DHC-8 SRM 8-52-029.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 4,999 hrs · 7,056 cycles

YYC- SCRATCH WITH LIGHT CORROSION ONE INCH BELOW LOWER FORWARD CORNER OF BAGGAGE DOOR SURROUND STATION X547.5. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3.

Part: SKIN — CORRODED (FUSELAGE) · airframe 4,999 hrs · 7,056 cycles

YYC- PAINT SCRATCH WITH LIGHT CORROSION THREE INCHES BELOW BAGGAGE DOOR AT STATION X564.5. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3.

Part: THRESHOLD — DAMAGED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- AFT CARGO DOOR SILL HAS DAMAGE AT STATION 564.5. REPAIRED IAW DHC-8 SRM 8-53-077.

Part: DOOR FRAME — GOUGED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SCRATCH AND GOUGE ONE INCH AFT OF BAGGAGE DOOR SURROUND STATION X600.0 BETWEEN STRINGER 16P AND 17P. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SCRATCH ON BAGGAGE DOOR 24 INCHES AFT OF DOOR LEADING EDGE, THREE INCHES FROM TOP OF DOOR 3.25 INCHES LONG. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — GOUGED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- LIGHT GOUGE ON BAGGAGE DOOR HALF INCH LONG 12 INCHES AFT OF DOOR LEADING EDGE AND 4 INCHES ABOVE BOTTOM EDGE OF DOOR. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SEVERAL LIGHT SCRATCHES ALONG UPPER EDGE OF BAGGAGE DOOR. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SKIN — GOUGED (PAX DOOR) · airframe 4,999 hrs · 7,056 cycles

YYC- SEVERAL SMALL DENTS, NICKS AND GOUGES ON UPPER MAIN CABIN DOOR FROM TOP OF DOOR TO 8 INCHES DOWN FROM TOP. REPAIRED IAW DHC-8 SRM 51-20-11 PAGE 3 SECTION B.

Part: SELECTOR — MALFUNCTION (COCKPIT)

SEA - AFTER TAKEOFF MAIN LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE FIELD WITHOUT INCIDENT. AIRCRAFT WAS FERRIED FROM SEA-PDX, WHERE THE COCKPIT SELECTOR PANEL AND SELECTOR VALVE WERE REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN)

FLOOR EMERGENCY PROXIMITY LIGHTING SEGMENT IS INOP. REPLACED LIGHT SECTION, OPERATIONAL CHECKS GOOD.

Part: FIRE LOOP — DAMAGED (NR 2 ENGINE) · airframe 1,363 hrs · 1,977 cycles

NR 2 ENGINE FIRE DETECTION LOOP-A LIGHT ILLUMINATED. FOUND THE PRIMARY DETECTION LOOP-A BAD. SWAPPED TO THE SPARE A SENSOR. REMOVED AND REPLACED THE FIRE LOOP-A, OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — MALFUNCTIONED (NR 2)

(REVISED) AT ABOUT 13,000 FEET, DESCENDING INTO SEA, NR 2 ENGINE GOT VERY LOUD, FOLLOWED BY AN AIRCRAFT VIBRATION. NR 2 ENGINE TORQUE INDICATION PEGGED AND ITT INDICATED 1000 DEGREES CELSIUS. PLACED NR 2 ENGINE CONTROL TO START/FEATHER AND SHUT DOWN NR 2 ENGINE. DECLARED AN EMERGENCY, AND AIRCRAFT LANDED WITHOUT INCIDENT. SUBMITTER STATES, NR 2 ENGINE MANUAL FUEL CONTROL UNIT (MFCU). MAINTENANCE REPLACED ENGINE AND PROPELLER. AWAITING SHOP FINDINGS ON ENGINE AND PROPELLER.

Part: GUIDE STOP — MALFUNCTION (CABIN DOOR)

BOI- MAIN CABIN DOOR EXTERIOR RELEASE HANDLE RECESSES TOO FAR INTO THE INDENT. CAN NOT OPEN MAIN CABIN DOOR FROM THE OUTSIDE. REMOVED AND REPLACED THE EXTERIOR DOOR HANDLE BUMPER UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.