# Service difficulty reports: N427QX, cancelled Dec 21, 2023

A list on [N427QX, cancelled Dec 21, 2023](https://openairdocs.org/deregistered/N427QX-2023-12-21.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 7 · 318 reports

- [SDR QXEA2022072900261](https://openairdocs.org/sdr/QXEA2022072900261.md): Display · abnormal · Jul 29, 2022 · N427QX · Bombdr DHC8402 · Central Display
  > PFD 1 MON FAIL AND ASSOCIETED MESSAGE ON ED.AVIONICS CAUTION ILLUMINATED ON LANDING. REMOVED FROM SERVICE. PERFORMED GVI UNDER #1 PFD. NO DEFECTS OR BROKEN WIRES FOUND. REPLACED #1 PFD IAW MTC 6316104. OPS CHECKS GOOD. A/C REMAINS CATIII QUALIFIED. PLACARDS ST
- [SDR QXEA2022062000225](https://openairdocs.org/sdr/QXEA2022062000225.md): Accumulator · low pressure · Jun 15, 2022 · N427QX · Bombdr DHC8402 · Hydraulic Power Accumulator, Main
  > ON TAXI OUT JUST BEFORE THE RUNWAY THE SPOILERS SWITCH WAS PUT INTO "FLIGHT". AT THIS POINT THE "#1 HYD ISO VLV" AND "ROLL SPLR INBD HYD" CAUTION LIGHTS ILLUMINATED, ALONG WITH "ROLL INBD" ON GLARESHIELD FAILED TO ILLUMINATE. ON THE PFCS THE "LO" AND "RO" DEF
- [SDR QXEA2022061300221](https://openairdocs.org/sdr/QXEA2022061300221.md): Fire Detector · inoperative · Jun 12, 2022 · N427QX · Bombdr DHC8402 · Fire Bottle, Portable
  > FL250, MASTER WARNING, CHECK FIRE DETECT. E/A CHECKLIST TO AFT BAGGAGE FWD AND AFT FIRE BOTTLES LOW. RETURNED TO FIELD LANDING UNEVENTFUL. NO FIRE. REPLACED THE LOW-RATE FIRE-EXTINGUISHER BOTTLE AND RE-INSTALLATION OF HIGH-RATE FIRE-EXTINGUISHER BOTTLE. OPS CH
- [SDR QXEA2022060900215](https://openairdocs.org/sdr/QXEA2022060900215.md): Powerplant · activation error · Jun 6, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > POWERPLANT MESSAGE ON FD DURING APPROACH. REMOVED FROM SERVICE. CDS SHOWS FAULT CODE 428 A/B #1 PROP. Q HI OUTPUT FAULT. C/W FIM TASK 61-20-09-810-815. FAULT CODES CLEARED PER AMM 61-20-36-070-801. C/W AUTO FEATHER /UPTRIM TEST PER AMM 61-20-00-710-810, OPS CH
- [SDR QXEA2022032800130](https://openairdocs.org/sdr/QXEA2022032800130.md): Sign · loose · Mar 28, 2022 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > TYPE II/III EMERGENCY DOOR (FRONT RIGHT) "EXIT SIGN DETACHED. REMOVED FROM SERVICE. RESECURED TYPE II/III EMERGENCY DOOR "EXIT" SIGN AS NECESSARY. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2022021600077](https://openairdocs.org/sdr/QXEA2022021600077.md): None · none · Feb 10, 2022 · N427QX · Bombdr DHC8402 · Lighting System
  > DURING OPERATIONAL CHECK OF EMERGENCY LIGHTS FOUND AFT PASS. DOOR EMERG. LIGHT BY AFT STOWAGE GALLEY (BOB MOD) NOT WORKING. FOUND CANNON PLUG LOOSE. RECONNECTED CANNON PLUG AND C/W OPERATION CHECK OF EMERGENCY LIGHT SYSTEM REF AMM 33-51-01-710-803 OPS CK GOO
- [SDR QXEA2022020900050](https://openairdocs.org/sdr/QXEA2022020900050.md): Pec · none · Feb 7, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > DURING AUTO FEATHER TEST, THE A/F TEST ABORT AND A/F TEST FAILED MESSAGES APPEARED ON THE ED.REMOVED FROM SERVICE. EMU SHOWING THE FOLLOWING FAULTS: #1 PROP: 70B, #2 PROP: 70B AND 398B. COMPLIED WITH DHC-8-400 FIM TASK#'S 61-20-02-810-835 AND 61-20-08-810-818.
- [SDR QXEA2022020100045](https://openairdocs.org/sdr/QXEA2022020100045.md): Pcu · none · Jan 31, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > ON TAKEOFF ROLL AUTOFEATHER FAILED TO ARM. ABORT INITIATED AT APPROXIMATELY 95 KIAS. ABORTED TAKE OFF. REMOVED FROM SERVICE. NO FAULTS FOUND IN CDS PER Q400 AMM 61-20-00-710-804. REMOVED AND REPLACED #2 PEC IAW Q400 AMM TASKS 61-20-36-000-801 AND 400-801. ALL
- [SDR QXEA2022013100041](https://openairdocs.org/sdr/QXEA2022013100041.md): None · none · Jan 30, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > ABORTED TAKEOFF AT 70-80 KTS A/F FAILED TO ARM CYCLING BETWEEN AF SELECT AND AF ARM. REMOVED FROM SERVICE. INTERROGATED CDS AND FOUND ENG #1 CODE: 70A AND ENG #2 CODE: 70B AND 398B. PERFORMED TWO ENGINE STARTS AND PERFORMED THE OPS TEST OF THE AUTOFEATHER/UPT
- [SDR QXEA2022012400030](https://openairdocs.org/sdr/QXEA2022012400030.md): None · none · Jan 23, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > DURING DAILY SYSTEM CHECKS THE AUTOFEATHER TEST FAILED 3 TIMES IN A ROW. REMOVED FROM SERVICE. INTERROGATED CDS, NO FAULTS LOGGED. PERFORMED OPS TEST OF THE AUTOFEATHER AND UPTRIM CHECK REF Q400 AMM TASK 61-20-00-710-810. PERFORMED MULTIPLE TIMES WITH NO FAILS
- [SDR QXEA2022011100020](https://openairdocs.org/sdr/QXEA2022011100020.md): None · none · Jan 11, 2022 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > AUTOFEATHER SYSTEM TEST FAILED DURING DAILY SYSTEMS CHECK. REMOVED FROM SERVICE. INTERROGATED CDS AND FOUND F/C 70A, 398A, 494A/B ON BOTH PROPS, ALL RELATED TO AUTOFEATHER TEST. CLEARED F/C REF Q400 AMM 61-20-36-070-801. PERFORMED AUTOFEATHER TEST REF Q400 AMM
- [SDR QXEA2022010400007](https://openairdocs.org/sdr/QXEA2022010400007.md): Pseu · inoperative · Jan 3, 2022 · N427QX · Bombdr DHC8402 · Landing Gear Position and Warning
  > SELECTING GEAR DOWN ON FINAL RIGHT MAIN GREEN LOCK LIGHT DID NOT ILLUMINATED. WENT MISSED AND RAN ALTERNATE GEAR EXTENSION CHECKLIST ALTERNATE GEAR INDICATION ALSO CONFIRMED GEAR WAS NOT LOCKED. RUN UP CHECKLIST AND PUMPING MAINS DID NOT LOCK GEAR. ALTERNATE
- [SDR QXEA2021122700565](https://openairdocs.org/sdr/QXEA2021122700565.md): None · none · Dec 23, 2021 · N427QX · Bombdr DHC8402 · Cabin Equipment/Furnishings
  > CARPET ZD&E NEEDS TO BE GLUED DOWN. POTENTIAL TRIPPING HAZARD. REMOVED FROM SERVICE. RE SECURED CARPET IN THE FRONT. NO FURTHER DEFECTS. RETURNED TO SERVICE.
- [SDR QXEA2021121000546](https://openairdocs.org/sdr/QXEA2021121000546.md): None · none · Dec 10, 2021 · N427QX · Bombdr DHC8402 · Door Warning System
  > FUSELAGE DOORS WARNING LIGHT IN FLIGHT. RETURNED TO FIELD. REMOVED FROM SERVICE. FOUND AFT SERVICE DOOR NOT TO BE FULLY CLOSED. CLOSED AFT SERVICE DOOR. NO FURTHER DEFECTS TO BE NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2021100400462](https://openairdocs.org/sdr/QXEA2021100400462.md): Warning Light · false activation · Oct 3, 2021 · N427QX · Bombdr DHC8402 · Hydraulic System, Main
  > WHEN ADVANCING POWER LEVERS FOR TAKEOFF ROLL, SPLR INBD HYD CAUTION ILLUMNATED. ABORTED TAKEOFF. UNDER MAINTENANCE CONTROL DIRECTION CONDUCTED SPGRG 27-06-01. WHEN SELECTING SPOILER SWITCH FROM FLIGHT TO TAXI, #1 HYD ISO VALVE CAUTION ILLUMINATED. MOMENTARILY.
- [SDR QXEA2021082700419](https://openairdocs.org/sdr/QXEA2021082700419.md): Lens · detached · Aug 25, 2021 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > EXIT LENS AT TYPE II/III EMERGENCY EXIT FELL OFF. REMOVED FROM SERVICE. RE-SECURED EXIT LENS AT TYPE II/III EMERGENCY DOOR NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
- [SDR QXEA2021062200303](https://openairdocs.org/sdr/QXEA2021062200303.md): Guard · damaged · Jun 21, 2021 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > FA BREPORTS THE FA EMERGENCY LIGHT BUTTON COVER IS HANGING LOOSE. REMOVED FROM SERVICE. REMOVED FWD FA EMERGENCY LIGHT SWITCH, INSTALLED NEW SWITCH GUARD, RE-INSTALLED EMERGENCY LIGHT PUSH SWITCH IAW Q400 AMM TASKS 20-30-07-000-801 AND 400-801. OPS CHECK GOOD
- [SDR QXEA2021060400280](https://openairdocs.org/sdr/QXEA2021060400280.md): Warning Light · false activation · Jun 4, 2021 · N427QX · Bombdr DHC8402 · Central Warning
  > ON ADDING POWER DURING T/O, MASTER CAUTION CHIME,DID NOT SEE ANY CAUTION LIGHTS ILLUMINATE.UPON STOWING SPOILERS AFTER REJECTED TAKEOFF CLEARING RWY,MASTER CAUTION CHIME,AND MOMENTARY LIGHT ILLUMINATE SEE WHICH REDEPLOYED SPOILERS AND STOWED SEVERAL TIMES.CAUT
- [SDR QXEA2021052500269](https://openairdocs.org/sdr/QXEA2021052500269.md): Pec · malfunctioned · May 24, 2021 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > DURING SYSTEMS CHECKS, THE #2 AUTOFEATHER TESTS FAILED. REMOVED FROM SERVICE. INTERROGATED CDS FOUND FAULT CODE 402B #2 PROP. C/W FIM REF: 61-20-09-810-812. REMOVED AND REPLACED PEC FOR #2 ENGINE REF: AMM TASK 61-20-36-000-801, 61-20-36-400-801 PARA 1-5,A AN
- [SDR QXEA2021052400265](https://openairdocs.org/sdr/QXEA2021052400265.md): Autofeather Sys · no test · May 22, 2021 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > #2 AUTOFEATHER FAILED TEST FOR DAILY SYSTEM CHECK. REMOVED FROM SERVICE. PERFORMED OPS TEST OF THE PROP AUTOFEATHER SYSTEM IAW Q400 AMM 61-20-00-710-810. OPS TEST PASSED. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2021050700217](https://openairdocs.org/sdr/QXEA2021050700217.md): Valve · malfunctioned · May 7, 2021 · N427QX · Bombdr DHC8402 · Drag Control System
  > PRIOR TO ADDING POWER FOR TAKEOFF, OUTBOARD SPOILERS SPONTANEOUSLY RETRACTED ASSOCIATED INDICATIONS INCLUDED ROLL OUTBD LIGHT EXTINGUISHED (GLARESHIELD) AND MASTER CAUTION & ROLL SPLR OUTBD GND CAUTION ILLUMINATED. PILOT VISUALLY CONFIRMED THAT INBOARD SPOILER
- [SDR QXEA2021022200070](https://openairdocs.org/sdr/QXEA2021022200070.md): Lamp · inoperative · Feb 21, 2021 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > FA EMERGENCY SWITCH LIGHT DOES NOT ILLUMINATE. REMOVED FROM SERVICE. RE-LAMPED FWD FA EMERGENCY LIGHT SWITCH. SWITCH ILLUMINATES NORMALLY. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
- [SDR QXEA2021021800066](https://openairdocs.org/sdr/QXEA2021021800066.md): Autofeather Sys · no test · Feb 18, 2021 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > DURING DAILY SYSTEM CHECK THE NR 1 A/F TEST FAILED. REMOVED FROM SERVICE. CHECKED FOR FAULT CODES, FOUND CODE 494. C/W Q400 FIM 61-20-10-810-826. CODE CLEARED, TEST PASSED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2021020800051](https://openairdocs.org/sdr/QXEA2021020800051.md): Door · failed · Feb 6, 2021 · N427QX · Bombdr DHC8402 · Fixed Inner Doors
  > FA ADVISES EMERGENCY EQUIPMENT DOOR UNDER FWD FA JUMPSEAT DOES NOT AUTOMATICALLY RETRACT. REMOVED FROM SERVICE. REMOVED AND REPLACED FWD FA UNDER SEAT SPRINGS REF Q400 CMM 25-21-47. OPS CK GOOD AT THIS TIME NO OTHER DEFECTS FOUND AT THIS TIME.
- [SDR QXEA2021020800050](https://openairdocs.org/sdr/QXEA2021020800050.md): Door · failed · Feb 5, 2021 · N427QX · Bombdr DHC8402 · Fixed Inner Doors
  > EMERGENCY EQUIPMENT COMPARTMENT DOOR UNDER LEFT REAR FA JUMPSEAT DOES NOT AUTOMATICALLY RETRACT. REMOVED FROM SERVICE. REMOVED AND REPLACED AFT LH SIDE FA UNDER SEAT COMPARTMENT DOOR SPRINGS REF Q400 CMM 25-21-48 OPS CK. GOOD NO OTHER DEFECTS FOUND AT THIS TI
- [SDR QXEA2020121400350](https://openairdocs.org/sdr/QXEA2020121400350.md): Connector · damaged · Dec 13, 2020 · N427QX · Bombdr DHC8402 · Door System Wiring
  > IN CRUISE FLIGHT (23,000) MASTER WARNING OCCURRED ALONG WITH "FUSELAGE DOORS". C/W E/A CHECKLIST. PRESSURIZATION REMAINED NORMAL THROUGHOUT FLIGHT. R-2 DOOR SHOWED UNSECURE ON DOORS SYS PAGE OF MFD. APPROXIMATELY 5 MINUTES LATER, MASTER WARNING & FUSELAGE
- [SDR QXEA2020042200152](https://openairdocs.org/sdr/QXEA2020042200152.md): Fastener · unsecure · Apr 21, 2020 · N427QX · Bombdr DHC8402 · Passenger Compartment Equipment
  > FLASHLIGHT AND LIFE VEST COMPARTMENT UNDER AFT CENTER FA JUMPSEAT DOES NOT SPRING CLOSED. REMOVED FROM SERVICE. RE SECURED SPRING RETAINING HARDWARE AT INBD SIDE OF AFT CTR FA LIFEVEST/FLASHLIGHT COMPARTMENT. DOOR SPRINGS CLOSED AS NORMAL. RETURNED TO SERVICE.
- [SDR QXEA2020022400116](https://openairdocs.org/sdr/QXEA2020022400116.md): Pec · malfunctioned · Feb 22, 2020 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > A/F ARM FAILED ON TAKEOFF ROLL, ABORTED TAKEOFF AT 70 KNOTS. A/F SELECT ONLY. RETURNED TO GATE. REMOVED FROM SERVICE. REMOVED & REPLACED #1 PEC IAW Q400 AMM TASK 61-20-36-000/400-801. PERFORMED OPS TEST OF AUTO FEATHER AND UP TRIM SYSTEM IAW Q400 AMM TASK 61-2
- [SDR QXEA2020022000111](https://openairdocs.org/sdr/QXEA2020022000111.md): Pec · malfunctioned · Feb 19, 2020 · N427QX · Bombdr DHC8402 · Propeller Controlling System
  > AUTOFEATHER FAILS TO TEST PROPERLY. #1 TORQUE SHOWS 100% & #2 TORQUE SHOWS 90% WHEN AUTOFEATHER TEST IS ACCOMPLISHED. POWER LEVERS ARE IN THE DISC POSITION AND AMBER FAILED MESSAGES APPEAR ON BOTH #1 & #2 ENGINES. REMOVED FROM SERVICE. REMOVED AND REPLACED #
- [SDR QXEA2020021800107](https://openairdocs.org/sdr/QXEA2020021800107.md): Electronic Unit · malfunctioned · Feb 18, 2020 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > CREW REPORTS ABORTED TAKEOFF AT 60 KNOT DUE TO AUTOFEATHER FAILING TO ARM. ABORTED TAKE OFF. REMOVED FROM SERVICE. R&R #2 PEC OPS TEST PASSED. PROP OVERSPEED GOV CHECK PASSED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2020021800106](https://openairdocs.org/sdr/QXEA2020021800106.md): Autofeather Sys · malfunctioned · Feb 18, 2020 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > AUTOFEATHER DIDN'T ARM ON TAKEOFF IN SEATTLE. NOTICED AT V1, CONTINUED TAKEOFF. REMOVED FROM SERVICE. INTERROGATED CDF FOR FAULT CODES IAW Q400 AMM 77-31-00-710-803 FOUND FAULT CODES 494A B, 70AB, ON BOTH ENGINES, 398AB ON #2 ENGINE. COMPLIED WITH Q400 FIM PRO
- [SDR QXEA2020021700104](https://openairdocs.org/sdr/QXEA2020021700104.md): Autofeather Sys · failed · Feb 16, 2020 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > WHILE CONDUCTING DAILY SYSTEM CHECKS, AUTO FEATHER FAILED. POWER LEVERS WERE IN DISC. REMOVED FROM SERVICE. NO CORRELATED FAULT CODES, REF. FIM TASK 61-20-00-810-805. PERFORMED OPS TEST OF THE AUTO FEATHER/UPTRIM SYS. IAW AMM 61-20-00-710-810. OPS TEST GOOD,
- [SDR QXEA2020021200094](https://openairdocs.org/sdr/QXEA2020021200094.md): Autofeather Sys · no test · Feb 12, 2020 · N427QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > DURING DAILY SYSTEM CHECK THE AUTO FEATHER TEST FAILED TWICE. REMOVED FROM SERVICE. PERFORMED AF + UPTRIM OPS TEST IAW Q400 AMM 61-20-00-710-810. OPS TEST PASS. DEFECTS NOTED AT THIS TIME. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.
- [SDR QXEA2019123100488](https://openairdocs.org/sdr/QXEA2019123100488.md): Control Unit · malfunctioned · Dec 28, 2019 · N427QX · Bombdr DHC8402 · DC Generating System
  > ON CLIMB NOTICED DME 1&2 FLICKERING FROM DISPLAYING A DME DISTANCE FROM SEA TO DASHES. ADDITIONALLY THE TCAS FAIL MESSAGE WAS DISPLAYED INTERMITTENTLY AS THE DME DISPLAYED DASHED. UPON PULLING UP THE ELECTRICAL SYSTEM PAGE INITIALLY ALL INDICATIONS WERE NORMAL
- [SDR QXEA2019122400477](https://openairdocs.org/sdr/QXEA2019122400477.md): Sign · detached · Dec 23, 2019 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > EXIT SIGN AT 2E HAS FALLEN FROM ITS POSITION. REMOVED FROM SERVICE. ATTACHED THE EXIT SIGN COVER AT 2E. ACFT OK FOR CONTINUED SERVICE. NO PARTS REPLACED.
- [SDR QXEA2019100700379](https://openairdocs.org/sdr/QXEA2019100700379.md): Contactor · damaged · Oct 5, 2019 · N427QX · Bombdr DHC8402 · Electrical Power System Wiring
  > #1 AC GEN ILLUMINATED IN FLIGHT DURING CLIMB AT APPROXIMATELY 24,000 FT. PRIOR TO #1 AC GEN CAUTION, THE WNSHLD HOT (OR WNSHLD CTAL) CAUTION FLICKERED ON BRIEFLY (DID NOT RE-ILLUMINATE). WINDSHIELD HEAT WAS IN THE NORM POSITION STARTING AT 10,000 FT. PILOT STA
- [SDR QXEA2019093000373](https://openairdocs.org/sdr/QXEA2019093000373.md): Gcu · malfunctioned · Sep 27, 2019 · N427QX · Bombdr DHC8402 · AC Regulator
  > #1 AC GEN CAUTION LIGHT ILLUMINATED BEGINNING INTERMITTENTLY AT APPROXIMATELY 20,000FT LIGHT EVENTUALLY REMIANED ILLUMIATED CONTINUOUSLY INCLUDING AFTER COMPLETION OF CHECKLIST. REMOVED FROM SERVICE. REMOVED AND REPLACED GCU #1 REF Q400 AMM 24-21-06-000-801 AN
- [SDR QXEA2019021100069](https://openairdocs.org/sdr/QXEA2019021100069.md): Gcu · malfunctioned · Feb 10, 2019 · N427QX · Bombdr DHC8402 · AC Regulator
  > A/C GEN CAUTION ILLUMINATED FLICKERED ABOUT 10 TIMES BEFORE STAYING ON. REMOVED FROM SERVICE. INTERROGATED CDS AND NO FAULTS WERE LOGGED. INTERROGATED EPCU, FAULT 27 LOGGED. CHECKED NR 1 AC GEN CHIP DETECTOR, NO CHIPS NOTED. OPS TESTED AC GEN SYSTEM, OPS CHECK
- [SDR QXEA2019021100068](https://openairdocs.org/sdr/QXEA2019021100068.md): Generator · malfunctioned · Feb 10, 2019 · N427QX · Bombdr DHC8402 · AC Generator-Alternator
  > NR 1 AC GEN ILLUMINATED. REMOVED FROM SERVICE. C/W FIM TASK 24-20-00-810-801. NO FAULTS FOUND. R&R NR 1 AC GEN IAW MTC 6242101. AC GEN OPS CHECK GOOD. RETURNED TO SERVICE.
- [SDR QXEA2019021100065](https://openairdocs.org/sdr/QXEA2019021100065.md): Wire Harness · malfunctioned · Feb 10, 2019 · N427QX · Bombdr DHC8402 · Electrical Power System Wiring
  > ON CLIMB OUT, NR 1 AC GEN CAUTION LIGHT ILLUMINATING ON AND OFF RAPIDLY ABOUT 50 TIMES. THEN IT REMAINED ILLUMINATED FOR A BIT AND WE RAN THE CHECKLIST. SOMETIMES WHEN THE NR 1 AC GEN LIGHT WAS FLASHING, WSHD CTRL WAS FLASHING AS WELL. REMOVED FROM SERVICE. CO
- [SDR QXEA2018012900054](https://openairdocs.org/sdr/QXEA2018012900054.md): Step · broken · Jan 29, 2019 · N427QX · Bombdr DHC8402 · Entrance Stairs
  > RAMP REPORTS FLIP STEP ON MAIN CABIN DOOR BROKEN. REMOVED FROM SERVICE. INSPECTION FOUND THE FOLDING PORTION OF MCD TOP STEP TO BE BROKEN FROM ITS POTTED INSERTS. REMOVED BROKEN PORTION OF THE STEP, BROKEN HARDWARE. INSTALLED SERVICEABLE FLIP STEP ASSY ON MCD.
- [SDR QXEA2018121200454](https://openairdocs.org/sdr/QXEA2018121200454.md): Unknown · odor · Dec 11, 2018 · N427QX · Bombdr DHC8402 · Air Distribution System
  > AFTER PUSHBACK WITH BOTH ENGINES STARTED AND READY TO TAXI AFT FA CALLED REPORTING THE SMELL OF SMOKE. THE SMELL REMAINED AND DID NOT DISSIPATE WHILE WE RETURNED TO GATE. AIRCRAFT DOWN FOR REPAIRS.
- [SDR QXEA2018090700322](https://openairdocs.org/sdr/QXEA2018090700322.md): Ecu · malfunctioned · Sep 6, 2018 · N427QX · Bombdr DHC8402 · Pneumatic Distribution System
  > AFTER TAKE-OFF NR 2 BLEED HOT CAUTION ILLUMINATED. CAUTION LIGHT WAS RESET VIA E&A CHECKLIST BUT RE-ILLUMINATED. BLEED HOT CAUTION NOT ILLUMINATED WITH BLEED SELECTED OFF. BLEED FLOW WAS SELECTED TO MIN FOR APPROPRIATE TIME FRAME PRIOR TO DEPARTURE (BLEED SYST
- [SDR QXEA2018082400305](https://openairdocs.org/sdr/QXEA2018082400305.md): Sensor · malfunctioned · Aug 23, 2018 · N427QX · Bombdr DHC8402 · Cabin Temperature Control System
  > CABIN PACK HOT CAUTION LIGHT ILLUMINATED DURING CRUISE AT 15,000. PER E/A CHECKLIST, TURNED OFF CABIN PACK. CAUTION LIGHT STILL ILLUMINATED AT PARKING. APPROXIMATELY 10 - 15 MINUTES AFTER THAT CHECKLIST CABIN PRESSURE MASTER WARNING ILLUMINATED. STARTED E/A CH
- [SDR QXEA2018082200302](https://openairdocs.org/sdr/QXEA2018082200302.md): Warning Light · false activation · Aug 21, 2018 · N427QX · Bombdr DHC8402 · Central Warning
  > GOING THROUGH 90 KTS ON TAKEOFF, ELEVATOR FEEL, PITCH TRIM, RUDDER CONTROL, SPOILER OTBD, CAUTION LIGHTS ILLUMINATED. LIGHTS STAYED ON UNTIL ABORTED TAKEOFF THROUGH 60 KTS, WHERE THEY EXTINGUISHED. NO EXCESSIVE BRAKING OCCURRED DURING ABORTED TAKEOFF. REMOV
- [SDR QXEA2018081300287](https://openairdocs.org/sdr/QXEA2018081300287.md): Lamp · inoperative · Aug 11, 2018 · N427QX · Bombdr DHC8402 · Lighting System
  > EMERGENCY LIGHT SWITCH INSIDE THE MAIN CABIN DOOR DOES NOT ILLUMINATE. REMOVED FROM SERVICE. REPLACED THE LAMPS IN THE SWITCH. SWITCH ILLUMINATES NORMALLY. RETURNED TO SERVICE.
- [SDR QXEA2018061900228](https://openairdocs.org/sdr/QXEA2018061900228.md): Battery Pack · inoperative · Jun 19, 2018 · N427QX · Bombdr DHC8402 · Emergency Lighting
  > WHILE PERFORMING AN OPERATIONAL CHECK OF THE EMERGENCY LIGHT SYSTEM. FOUND THE AFT TWO CEILING LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACKS. OPS CHECK GOOD.
- [SDR QXEA2018031600091](https://openairdocs.org/sdr/QXEA2018031600091.md): Fuel · odor · Mar 13, 2018 · N427QX · Bombdr DHC8402 · Air Distribution System
  > AT TOP OF DESCENT, B FA REPORTED A RAW FUEL ODOR EMANATING FROM THE VENTS. THE ODOR ALSO NOTED IN THE FLIGHT DECK VENTS. AFTER TURNING OFF THE NR 2 BLEED, THE ODOR DISSIPATED. LANDING UNEVENTFUL. COMPLIED WITH AMM 21-00-00-160-901. REMOVAL OF ODOR FROM
- [SDR QXEA2018022200066](https://openairdocs.org/sdr/QXEA2018022200066.md): Roller · out of adjust · Feb 19, 2018 · N427QX · Bombdr DHC8402 · Passenger/Crew Doors
  > AFT PAX DOOR FORWARD UPPER DOOR ROLLER HANGING UPON FORWARD LATCH ROLLER TRACK. ADJUSTED UPPER FORWARD ROLLER (G6) DOOR NOW CLOSES AND OPENS EASILY. REMOVED DOOR FRAME PANELS, DOOR LINER AND AFT STOWAGE CLOSET. RIGGED AFT PAX DOOR. REINSTALLATION OF DOOR FRAME
- [SDR QXEA2017122700710](https://openairdocs.org/sdr/QXEA2017122700710.md): Generator · failed · Dec 22, 2017 · N427QX · Bombdr DHC8402 · AC Generator-Alternator
  > NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. GENERATOR REPLACED IAW W/O 233733. OPS CHECKED GOOD.

Next page: https://openairdocs.org/deregistered/N427QX-2023-12-21/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N427QX' AND deregistration_id = 'N427QX-2023-12-21'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N427QX-2023-12-21/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.