N815PH

Part: PSEU — MALFUNCTIONED (CABIN) · airframe 35,566 hrs · 48,771 cycles

SEA- GEAR BROUGHT UP DURING DEPARTURE AND A LOUD RATTLE NOISE WAS HEARD IN THE COCKPIT. RED CAUTION LIGHT ON LEFT GEAR SELECTOR ILLUMINATED AND YELLOW CAUTION LIGHT ON NOSE DOOR AND RIGHT DOOR ILLUMINATED. FLIGHT ATTENDANT OBSERVED ALL THREE DOORS DOWN ON LEFT AND RIGHT MAIN GEAR. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PSEU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE

Part: SIGN — MALFUNCTIONED (CABIN) · airframe 35,206 hrs · 48,283 cycles

PDX- EXIT SIGN 1D BROKEN. REMOVED AND REPLACED FORWARD RIGHT HAND EMERGENCY DOOR EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ROD — BENT (PAX DOOR) · airframe 35,151 hrs · 48,215 cycles

PDX- CABIN DOOR STICKING AND DIFFICULT TO OPEN. REMOVED AND REPLACED MAIN CABIN DOOR FORWARD UPPER SUPPORT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — MALFUNCTION (NR 1)

SEA - HAZE APPEARED IN THE CABIN WITH NO SMOKE ODOR. IT SEEMED TO SUBSIDE AFTER TURNING OFF NR 1 BLEED. MAINTENANCE REPLACED O-RINGS ON THE NR 1 LP PROBE AND SHIMMED, THE NR 1 P2 VALVE TO 4 SPACERS. DURING GROUND RUN, INSPECTED OIL BREATHER, NO HELP. AIRCRAFT FERRIED FROM SEA TO PDX FOR REPAIRS. IN PDX, REPLACED NR 1 ENGINE. GROUND RUN AND OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. AWITING TEARDOWN ANALYSIS OF REMOVED ENGINE.

Part: ENGINE — MALFUNCTIONED (NR 1)

PDX- UPON THROTTLE BACK FOR DESCENT, THERE WAS A STRONG OIL SMELL IN CABIN COMING IN THROUGH THE BLEEDS. MAINTENANCE REPLACED THE NR 1 ENGINE, OPERATIONAL CHECKS GOOD.

Part: VALVE — MALFUNCTION (NR 2 ENGINE)

SEA - ACRID SMELL DURING LOW TO MODERATE POWER SETTINGS AT DESCENT. REPLACED NR 2 ENGINE P2.5/P3 SWITCHING VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: OIL SYS — OVER SERVICED (NR 2 ENGINE)

SEA - ACRID SMELL DURING LOW POWER DESCENT. MAINTENANCE FOUND EXTRA OIL IN NR 2 ENGINE, REMOVED OIL. OPERATIONAL AND ENGINE RUN CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: O RING — FAILED (NR 1 COMPRESSOR)

SEA - ACRID SMELL DURING DESCENT. SMELL STILL PRESENT WITH EITHER BLEED OFF. MAINTENANCE RAN AND FOUND OIL ON NR 1 COMPRESSOR BLADES AND INTAKE. FERRIED TO PDX. IN PDX, REPLACED O-RINGS ON NL PROBE. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE.

Part: P2.5 VALVE — MALFUNCTION (NR 1 ENGINE)

BOI- STRONG SMELL OF OIL WHEN THE POWER LEVERS RETARDED TO FLIGHT IDLE. MAINTENANCE PERFORMED A BLEED AIR TEST AND FOUND THE SMELL WAS FROM NR 1 BLEED. REPLACED THE NR 1 P2.5 SWITCHING VALVE, OPERATIONAL CHECKS GOOD.

Part: CONTROL BOX — MALFUNCTIONED (ANTISKID SYST)

PDT- NR 1 MAIN WHEEL LOST BRAKING WHILE PARKING. STOPPED AIRCRAFT WITH THE PARKING BRAKE. AIRCRAFT WAS FERRIED FROM PDT-PDX FOR REPAIRS. IN PDX, MAINTENANCE REPLACED THE ANTI-SKID CONTROL BOX. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HINGE — CORRODED (RUDDER)

YXX - TRAILING RUDDER BOTTOM HINGE HAS PITTING DAMAGE TO FITTING BEARING RETAINING SURFACES. REPAIRED IAW HORIZON AIR EA 9-27-100, DHC-8 SRM 51-20-36, 51-40-00, PAGE 1, PARAGRAPH 2 AND PAGE 2, TABLE 1.

Part: SKIN — DAMAGED (NR 1 NACELLE)

YXX - NR 1 NACELLE OUTBOARD LOWER CORNER AT FORWARD GEAR DOOR CUTOUT OUTER SKIN DAMAGED. REPAIRED IAW DHC-8 RD 8-54-1043.

Part: SKIN — DENTED (BS 487.5-521)

YXX - DENT ON FUSELAGE SKIN AT X487.5 TO S521 AND STRINGERS 21S AND 22S. REPAIRED IAW HORIZON AIR EA 9-53-939 AND DHC-8 RD 8-53-4082.

Part: SKIN — DAMAGED (BS 607)

YXX - DENT AND GOUGE ON FUSELAGE EXTERIOR AT STA 607 AND BELOW STRINGER 21. REPAIRED IAW RD 8-53-4026, DHC-8 SRM 51-20-16 AND 51-20-36.

Part: WEB — GOUGED (CARGO DOOR)

YXX - GOUGES ON WEB BESIDE BAGGAGE DOOR FITTINGS. REPAIRED IAW DHC 8 SRM 51-20-16, 51-20-36, CONAIR EO 2214, HORIZON AIR EA 9-53-425 AND DHC 8 RD 8-53-4033.

Part: SKIN — DENTED (BS 580.5 & 600)

YXX - DENT DAMAGE BETWEEN STRINGER 19S AND 20S AT FUSELAGE STATION 580.50 AND 600. REPAIRED IAW DHC-8 RD 8-53-4052.

Part: SKIN — DENTED (BS 201-222)

YXX - TWO DENTS ABOVE STRINGER 29, RIGHT-HAND SIDE BELOW LAVATORY SERVICE PANEL AT STA 201 TO 222. REPAIRED IAW DHC-8 RD 8-53-4086, SRM 51-40-00 SRM 51-20-16 AND SRM 51-20-36.

Part: SKIN — DENTED (BS 270.5-291.4)

YXX - DENT BETWEEN FRAMES 270.5 AND 291.4 AT LEFT-HAND SIDE OF STRINGERS 3 AND 4. REPAIRED IAW DHC-8 RD 8-53-4046.

Part: SKIN — CHAFED (NR 1 NACELLE)

YXX - NR 1 NACELLE AFT FINGERNAIL DECK SKIN CHAFED AT STA 236. REPAIRED IAW DHC-8 RD 8-54-376, 8-54-1032 AND DHC-8 SRM 51-40-00.

Part: TIP — CRACKED (RIGHT WING)

YXX - RIGHT-HAND WING TIP UPPER ANCHOR NUT LAND CRACKED. REPAIRED IAW DHC-8 RD 8-57-1331, CONAIR EO 2223 AND HORIZON AIR EA 9-57-403.

Part: SPAR — SCRATCHED (WS 288)

YXX - RIGHT-HAND WING FUEL BAY INTERNAL STATION YW288 LOWER SPAR FLANGE HAS 2 SCRATCHES. REPAIRED IAW DHC-8 SRM 51-20-11 AND SRM 51-20-16.

Part: SEAT TRACK — CORRODED (RIGHT CABIN)

YXX - RIGHT-HAND OUTBOARD SEAT TRACK HAS MINOR CORROSION. REPAIRED IAW DHC-8 SRM 51-20-16 AND 51-20-30.

Part: SEAT TRACK — CORRODED (BS 600)

YXX - SEAT TRACK CORROSION RIGHT SIDE CENTER AT STATION 600. REPAIRED IAW DHC-8 SRM 51-40-00 AND SRM 51-20-26.

Part: SEAT TRACK — CORRODED (RIGHT CABIN)

YXX - MINOR CORROSION FOUND ON RIGHT-HAND INBOARD SEAT TRACK. REPAIRED IAW DHC-8 RD 53-1339, STEP 1, SRM 51-20-16 AND SRM 51-20-36.

Part: SKIN — DENTED (BS 312-333)

YXX - FOUR DENTS IN FUSELAGE SKIN AT STATION 312 TO 333 BELOW STRINGER 23 ON LEFT-HAND SIDE. REPAIRED IAW DHC-8 RD8-53-4038 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (LEFT CABIN)

YXX - LEFT-HAND INBOARD SEAT TRACK HAS CORROSION. REPAIRED IAW DHC-8 RD 53-1339, STEP 1, SRM 51-20-16 AND SRM 51-20-36.

Part: SKIN — DAMAGED (NR 1 NACELLE)

YXX - NR 1 NACELLE INBOARD AND OUTBOARD SIDE RIVETS PULLED THROUGH SKIN AT STA 134.55 AND ZN15. REPAIRED IAW CONAIR EO 2224, HORIZON AIR EA 9-54-188 AND DHC-8 RD 8-54-953.

Part: SKIN — DAMAGED (NR 2 NACELLE)

YXX - NR 2 NACELLE INBOARD AND OUTBOARD AT STA 130.60, RIVETS ARE PULLED THROUGH SKIN. REPAIRED IAW DHC-8 RD 8-54-953.

Part: SPAR — SCRATCHED (WS 97)

YXX - LEFT-HAND WING FORWARD SPAR CAP FLANGE SCRATCHED IN RADIUS AT STATION YW97.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND 51-20-36.

Part: SKIN — DENTED (BS 312.5-333)

YXX - THREE DENTS BEYOND LIMITS FROM STATION 312.5 TO 333.3, ABOVE AND BELOW STRINGER 10, UNDER ICE SHIELD. REPAIRED IAW DHC-8 RD 8-53-403, SRM 51-20-16 AND SRM 51-20-36.

Part: SILL — GOUGED (FUSELAGE)

YXX - GOUGING DAMAGE TO RIGHT-HAND SIDE WINDOW SILL AT BOTTOM FORWARD CORNER. REPAIRED IAW DHC-8 SRM 51-20-16, 51-20-36 AND SRM 51-40-11.

Part: PLATE — CORRODED (WS 333-405)

YXX - RIGHT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AND LADDER PLATE O-RING GROOVE CORROSION AT STATION YW333.0 TO YW405.0. REPAIRED IAW DHC 8 RD 8-57-1252 AND DHC 9 SRM 51-20-16.

Part: PLATE — CORRODED (WS 261-333)

YXX - LEFT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AND LADDER PLATE O-RING GROOVE CORROSION AT STATION YW261.0 TO YW333.0. REPAIRED IAW DHC 8 SRM 51-20-16 AND DHC-8 RD 8-57-633.

Part: PLATE — CORRODED (WS 171.2-261)

YXX - LEFT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AT STATION YW171.2 TO YW261.0. REPAIRED IAW DHC-8 RD 8-57-611 AND DHC-8 SRM 51-20-16.

Part: PLATE — CORRODED (WS 171.2-261)

YXX - RIGHT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AND O-RING GROOVE CORROSION AT STATION YW171.2 TO YW261.0. REPAIRED IAW DHC-8 RD 8-57-1252 AND DHC-8 SRM 51-20-16.

Part: PLATE — CORRODED (LEFT WING)

YXX - LEFT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AND LADDER PLATE O-RING GROOVE CORROSION. REPAIRED IAW DHC-8 RD 8-57-1252, 8-57-984 AND DHC-8 SRM 51-20-16.

Part: PLATE — CORRODED (WS 261-333)

YXX - RIGHT-HAND WING UPPER SURFACE LADDER PLATE CORROSION AND LADDER PLATE O-RING GROOVE CORROSION AND SCRATCHES AT STATION YW261.0 TO YW333.0. REPAIRED IAW DHC 8 RD 8-57-633, 8-57-1252 AND DHC 8 SRM 51-20-16.

Part: SPAR — GOUGED (WS 171.4-490)

YXX - RIGHT-HAND WING UPPER AND LOWER SPAR CAP FLANGE, OUTBOARD OF NACELLE FROM STATION YW171.400 TO YW490 HAS MANY GOUGES. REPAIRED IAW DHC-8 RD 8-57-1119 AND SRM 51-20-16, 51-20-36.

Part: SPAR — CORRODED (WS 5700)

YXX - LEFT-HAND WING FORWARD SPAR AT YW5700 LOWER SPAR CAP FLANGE HAS FRETTING CORROSION AND BARE ALUMINUM AROUND ANCHOR NUTS. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SKIN — DAMAGED (NR 2 NACELLE)

YXX - NR 2 NACELLE OUTBOARD SKIN AT STA 179.10 HAS RIVETS PULLED THROUGH STRAP. REPAIRED IAW DHC-8 SRM 51-20-36, 51-20-16 AND RD 8-54-215.

Part: BATTERY — DISCHARGED (COCKPIT)

EMERGENCY FLASHLIGHT NOT BLINKING. REPLACED BATTERY PACK, OPERATIONAL CHECKS GOOD.

Part: BATTERY — DISCHARGED (CABIN)

FORWARD RIGHT EMERGENCY EXIT LAMP INOP. REPLACED EMERGENCY BATTERY, OPERATIONAL CHECKS GOOD.

Part: SPAR — SCRATCHED (LEFT WING)

YXX - LEFT-HAND WING FORWARD SPAR UPPER AND LOWER SPAR CAP FLANGES SCRATCHED. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: LIGHT — INOPERATIVE (COCKPIT)

PDX- EMERGENCY OVERHEAD LANTERN IN COCKPIT IS INOP. REPLACED OVERHEAD LIGHT ASSEMBLY, OPERATIONAL CHECKS GOOD.

Part: LIGHT — INOPERATIVE (COCKPIT)

PDX - COCKPIT EMERGENCY OVERHEAD LANTERN INOP. REPLACED LIGHT, OPERATIONAL CHECK GOOD.

Part: BATTERY — DEPLETED (CABIN)

SEA- EMERGENCY LIGHTS FAIL TO TEST. INSPECTED AND FOUND THE TEST SWITCH FOR THE EMERGENCY LIGHTS LEFT IN THE ON POSITION, DEPLETING THE BATTERIES. REPLACED BATTERY POWER PACKS AT PS-1, PS-2, PS-4 AND PS-5, OPERATIONAL CHECKS GOOD.

Part: BATTERY PACK — DISCHARGED (COCKPIT)

PDX - COCKPIT EMERGENCY FLASHLIGHT LIGHT NOT CHARGING. REPLACED FLASHLIGHT BATTERY PACK, OPERATIONAL CHECK GOOD.

Part: BULB — FAILED (CARGO COMPT)

CARGO COMPARTMENT SMOKE DETECTOR WARNING NR 1 DOES NOT TEST. PLACED SYSTEM ON MEL. AIRCRAFT RETURNED TO SERVICE. MEL CLEARED BY RELAMPING THE NR 1 SMOKE DETECTOR, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC SYST — REQD SERVICE (NR 2 HYD SYST)

PDX - ON GEAR RETRACTION BOTH LEFT AND RIGHT DOOR LIGHT ON. VISUALLY DOORS WERE OPEN ON EXTENSION. NOSE APPROXIMATELY ONE MINUTE TO EXTEND NR 2 HYDRAULIC WENT TO ZERO MOMENTARILY. BLED NR 2 HYDRAULIC SYSTEM, ADJUSTED NR 1 AND NR 2 FORWARD DOOR ACTUATOR RODS. NO PARTS REPLACED, OPERATIONAL CHECK GOOD.

Part: CONTROL BOX — MALFUNCTION (COCKPIT)

SEA - CHECK FIRE DECTECTION WARNING LIGHT ON, UNABLE TO RESET. REPLACED MASTER WARNING CONTROL BOX. OPERATION CHECK GOOD.

Part: BATTERY — DISCHARGED (CABIN)

SEA- TWO EMERGENCY EXIT LIGHTS ARE INOP IN THE CABIN OVERHEAD AND LEFT AFT. REPLACED BATTERY POWER SUPPLY, OPERATIONAL CHECKS GOOD.

Part: BATTERY — DISCHARGED (CABIN)

FLIGHT ATTENDANTS FLASHLIGHT UNDER SEAT SLOW TO FLASH. REPLACED BATTERIES, OPERATIONAL CHECK GOOD.

Part: WIRE HARNESS — FAILED (NR2 FEATHER PUMP)

NUMBER 2 ALTERNATE FEATHER PUMP FAILS TO TEST ON THE 24 HOUR AUTO FEATHER CHECK. REPLACED THE HARNESS FROM THE TORQUE SIGNAL CONDITIONER TO THE FIRE WALL HARNESS, OPERATIONAL CHECK GOOD.

Part: ENGINE — FAILED (NR 1)

NR 1 ENGINE POWER LOSS DURING CLIMB, SHUTDOWN ENGINE AND RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. REPLACED NR 1 ENGINE, OPERATIONAL CHECK GOOD. TEARDOWN ANALYSIS OF ENGINE SHOWS LOW PRESSURE TURBINE BLADE FAILURE.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

SEA - TWO RED EMERGENCY EGRESS LIGHTS INOP. REPLACED BATTERY POWER SUPPLY BOX AND EMERGENCY LIGHTS. OPERATIONAL CHECK GOOD.

Part: SMOKE DETECTOR — NO TEST (BAGGAGE COMPT)

NR 2 BAGGAGE SMOKE DETECTOR IN THE CARGO COMPARTMENT WILL NOT TEST. PLACED ON MEL, REFERENCE 26-6.

Part: DOOR HANDLE — OUT OF ADJUST (PAX DOOR)

GROUND CREW REPORTS, UNABLE TO OPEN MAIN CABIN DOOR FROM OUTSIDE, LEVER RECESSED TO FAR INTO SLOT. INSTALLED SHIM ON DOOR HANDLE STOP. DOOR HANDLE FLUSH WITH SKIN, OPERATIONAL CHECKS GOOD.

Part: LIGHT — INOPERATIVE (COCKPIT)

OVERHEAD EMERGENCY LIGHT IN COCKPIT CEILING INOP. REPLACED OVERHEAD EMERGENCY OVERHEAD LIGHT IN COCKPIT, OPERATIONAL CHECKS GOOD.

Part: BULB — FAILED (NR 1 SMOKE DET)

DURING PRE-FLIGHT, CREW FOUND NR 1 CARGO COMPARTMENT WOULD NOT TEST. FOUND DETECTOR BULB BURNED OUT AND RELAMPED, OPS CHECKED GOOD. AIRCRAFT RELEASED FOR SERVICE

Part: BULB — FAILED (COCKPIT)

COCKPIT EMERGENCY LIGHT WILL NOT TEST. BULB WAS REPLACED AND LANTERN SELF TEST WAS GOOD.

Part: SELECTOR VALVE — MALFUNCTIONED (LANDING GEAR)

PSC - LANDING GEAR DID NOT EXTEND WHEN GEAR HANDLE SELECTED DOWN. ALTERNATE GEAR EXTENSION PERFORMED AND GEAR EXTENDED. AIRCRAFT LANDED IN PSC WITHOUT INCIDENT. AIRCRAFT FERRIED TO PDX FOR REPAIR. GEAR SELECTOR VALVE REPLACED I/A/W MAINT. MANUAL. GEAR OPS CHECKED GOOD ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.

Part: EEL BATTERY BOX — INOP (CABIN)

SEA - THE FWD TWO RED EMERGENCY EXIT LIGHTS ARE INOP. REPLACED THE BATTERY PACK AND EMERGENCY LIGHTS OPERATIONAL CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE.

Part: PSEU — DEFECTIVE (LANDING GEAR)

BLI - THE WOW LIGHT ILLUMINATED IN FLIGHT AFTER GEAR EXTENSION AND THEN WENT OUT PRIOR TO TOUCH DOWN. PERFORMED PSEU TARGET TEST GOOD, INSPECTION PROX SENSOR GAPS AND WIRING IN ALL WHEEL WELLS. COMPLIED WITH RETRACTION AND EXTENSION TESTS AND COULD NOT DUPLICATE THE PROBLEM. REMOVED AND REPLACED THE PSEU AND COMPLIED WITH A BITE TEST. AIRCRAFT RETURNED TO SERVICE.

Part: CAUTION PANEL — MALFUNCTIONED (CABIN)

PDX - WOW CAUTION LIGHT ILLUMINATED TWICE ON FINAL APPROACH. NO FAULTS NOTED ON PSEU MEGGED WIRES FROM PSEU TO CAUTION PANEL, NO DEFECTS NOTED. REPLACED THE CAUTION PANEL. AIRCRAFT WAS TEST FLOWN SATISFACTORY AND RETURNED TO SERVICE.