# Service difficulty reports: N412QX, cancelled Dec 20, 2022

A list on [N412QX, cancelled Dec 20, 2022](https://openairdocs.org/deregistered/N412QX-2022-12-20.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 9 · 424 reports

- [SDR QXEA2022050600184](https://openairdocs.org/sdr/QXEA2022050600184.md): Carpet · loose · May 5, 2022 · N412QX · Bombdr DHC8402 · Passenger Compartment Equipment
  > AISLE CARPETING NEAR MAIN CABIN DOOR IS LOOSE CREATING TRIPPING HAZARD. REMOVED FROM SERVICE. RESECURRED LOOSE AISLE CENTER CARPET IN FWD CABIN. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
- [SDR QXEA2022033100135](https://openairdocs.org/sdr/QXEA2022033100135.md): Lamp · inoperative · Mar 31, 2022 · N412QX · Bombdr DHC8402 · Lighting System
  > FA'S FRONT EMERGENCY LIGHT SWITCHLIGHT "NORMAL" LIGHT IS NOT ILLUMINATED. REMOVED FROM SERVICE. RELAMPED FWD FA SWITCHLIGHT FOR EMERGENCY LIGHTING AS NEEDED. OPS TEST NORMAL. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2022030200099](https://openairdocs.org/sdr/QXEA2022030200099.md): None · none · Mar 1, 2022 · N412QX · Bombdr DHC8402 · Cabin Equipment/Furnishings
  > FLOOR TRIM ON EDGE OF MAIN CABIN DOOR IS ROLLED BACK AND IS A TRIPPING HAZARD. REMOVED FROM SERVICE. REPLACED NONSKID TAPE BY MCD AREA. NO TRIP HAZARDS PRESENT. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2021111900521](https://openairdocs.org/sdr/QXEA2021111900521.md): None · none · Nov 19, 2021 · N412QX · Bombdr DHC8402 · Lighting System
  > ON POST FLIGHT FOUND RIGHT NOSE GEAR DOOR TIE ROD BROKEN. REMOVED FROM SERVICE. UPON INSPECTION OF THE R/H AFT NOSE GEAR DOOR. FOUND DOOR LINKAGE DISCONNECTED AND DAMAGE TO DOOR ON THE AFT SIDE. AFT NOSE GEAR DOOR 714 WAS REMOVE AND PLACED ON CDL 32-2 CONTR
- [SDR QXEA2021111600519](https://openairdocs.org/sdr/QXEA2021111600519.md): Battery Pack · malfunctioned · Nov 16, 2021 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > AFT EMERGENCY EXIT SIGN ABOVE CENTER WALKWAY AND AFT EMERGENCY EXIT SIGN ABOVE SEATS ON R/H SIDE OF AIRCRAFT FOUND INOP. REMOVED AND REPLACED #3 EPSU BATTERIES IAW Q400 AMM 33-51-01-000-802,33-51-01-400-802. OPS CHECK GOOD.
- [SDR QXEA2021101300469](https://openairdocs.org/sdr/QXEA2021101300469.md): Pseu · malfunctioned · Oct 12, 2021 · N412QX · Bombdr DHC8402 · Landing Gear System
  > RIGHT GEAR DOORS INDICATED OPEN AFTER GEAR EXTENSION ("R DOOR" AMBER LIGHT ON LANDING GEAR ANNUNCIATOR PANEL) ALTITUDE APX. 2100 MSL, AIRSPEED APX. 165 KIAS. REMOVED FROM SERVICE. R+R OF PSEU GEAR DOORS OPERATE AS REQUIRED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2021051600240](https://openairdocs.org/sdr/QXEA2021051600240.md): Pec · malfunctioned · May 16, 2021 · N412QX · Bombdr DHC8402 · Propeller Controlling System
  > CLIMBING THROUGH APPROX 11,000 FT THE "POWERPLANT" MESSAGE ILLUMINATED AND REMAINED ILLUMINATED FOR THE REMAINED OF THE FLIGHT, ALL ENGINE INDICATIONS WERE NORMAL. RETURNED TO FILED, LANDING UNEVENTFUL. REMOVED FROM SERVICE. REPLACED #2 PEC. OPS CHECK NORMAL.
- [SDR QXEA2021042800199](https://openairdocs.org/sdr/QXEA2021042800199.md): Switch · inoperative · Apr 27, 2021 · N412QX · Bombdr DHC8402 · Propeller Feathering/Reversing
  > A/F DID NOT ARM AFTER ADDING POWER FOR TAKEOFF. TAKEOFF ABORTED AROUND 60 KNOTS. REMOVED FROM SERVICE. NO FAULTS PRESENT IN CDS, FOLLOWED Q400 AMM 61-20-00-710-810 PART A OPS TEST PASSED. REF Q400 MCN 661292-001 ISSUE 1. DUE TO SIG EVENT ENGINE RUN OF THE AUTO
- [SDR QXEA2021030500103](https://openairdocs.org/sdr/QXEA2021030500103.md): Unknown · odor · Mar 4, 2021 · N412QX · Bombdr DHC8402 · Air Distribution System
  > F/A REPORTS A BURNING SMELL COMING FROM THE REAR CABIN AFTER TAXIING IN TO THE GATE. REMOVED FROM SERVICE. PERFORMED FIM TASK FOR UNUSUAL ELECTRICAL FUMES, REF Q400 FIM 21-22-01-810-801. NO DEFECTS NOTED. PERFORMED OPS TEST OF ECS TEMP CONTROL IAW Q400 AMM 21-
- [SDR QXEA2021030400101](https://openairdocs.org/sdr/QXEA2021030400101.md): Caution Panel · activated · Mar 3, 2021 · N412QX · Bombdr DHC8402 · Landing Gear Brake System
  > PARKING BRAKE CAUTION CONSISTENTLY WENT OFF IN CRUISE. MTX ADVISED TO DIVERT BACK TO PDX. RETURNED TO FIELD. REMOVED FROM SERVICE. PERFORMED WIRING CHECKS BETWEEN PARK BRK LEVER 3241-P12 PIN 2 TO CAWP 3312-P5 PIN 16. PIN TO PIN. PIN TO GND. NO DEFECTS NOTED. R
- [SDR QXEA2021011700014](https://openairdocs.org/sdr/QXEA2021011700014.md): Seat Track · corroded · Jan 17, 2021 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION AROUND THE FORWARD ATTACHMENT NUT HOLE OF SEAT RAIL NR 23 FS X670 TO X698. REPLACED SEAT RAIL, IAW Q400 SRM 51-42-05.
- [SDR QXEA2021012500024](https://openairdocs.org/sdr/QXEA2021012500024.md): Seat Track · corroded · Dec 31, 2020 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT RAIL NR 11 X10.50 TO X102.50 CORRODED IN SEVERAL PLACES. REPLACED SEAT RAIL, IAW SRM 51-40-07-02-01.
- [SDR QXEA2021012500023](https://openairdocs.org/sdr/QXEA2021012500023.md): Seat Track · corroded · Dec 31, 2020 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT RAIL NR 10 FS 39 TO 10.50 CORRODED MULTIPLE LOCATIONS. REPLACED SEAT RAIL, IAW SRM 51-40-15-02-01.
- [SDR QXEA2021011700013](https://openairdocs.org/sdr/QXEA2021011700013.md): Seat Track · corroded · Dec 31, 2020 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT RAIL NR 15 FS X612 TO X670 IS CORRODED IN MULTIPLE LOCATIONS. REPLACED SEAT RAIL WITH NEW, IAW Q400 SRM 51-40-15.
- [SDR QXEA2020110600308](https://openairdocs.org/sdr/QXEA2020110600308.md): Ditching Dam · loose · Nov 5, 2020 · N412QX · Bombdr DHC8402 · Emergency Equipment
  > MAIN CABIN DOOR DITCHING DAM IS LOOSE. REMOVED FROM SERVICE. MCD DITCHING DAM NOT LOOSE. NO DEFECTS NOTED WITH MCD DITCHING DAM. RESTOWED MCD DITCHING DAM AS NEEDED. NO DEFECTS NOTED AT THIS TIME. RETURNED TO SERVICE.
- [SDR QXEA2020092900298](https://openairdocs.org/sdr/QXEA2020092900298.md): Electrical Box · damaged · Sep 24, 2020 · N412QX · Bombdr DHC8402 · AC Generator-Alternator
  > IN FLIGHT PUSHER SYSTEM FAIL, ADP HEAT NR 2 AND PROP DEICE CAUTION LIGHT. ON FINAL NR 2 AC GEN CAUTION LIGHT, AFTER TOUCHDOWN NR 1 STALL SYSTEM FAIL, NR 2 STALL SYSTEM FAIL, PUSHER SYSTEM FAIL CAUTION LIGHT. REMOVED FROM SERVICE. FOUND FORWARD POSITIVE TER
- [SDR QXEA2020091400282](https://openairdocs.org/sdr/QXEA2020091400282.md): Door · out of adjust · Sep 10, 2020 · N412QX · Bombdr DHC8400 · Passenger/Crew Doors
  > MAIN CABIN DOOR CATCHING ON TRIGGER LOCK ROLLER. REMOVED FROM SERVICE. FERRIED FOR REPAIRS. REMOVED MCD REF Q400 AMM 52-11-00-000-801, SHIMMED LAYSHAFT AND REINSTALLED MCD REF Q400 AMM 52-11-00-400-801. RETURNED TO SERVICE.
- [SDR QXEA2020090200271](https://openairdocs.org/sdr/QXEA2020090200271.md): Stiffener · cracked · Sep 2, 2020 · N412QX · Bombdr DHC8402 · Wing Main, Frame Structure
  > WHILE CLEANING GREASE ON LT WING, A SUSPECTED CRACK WAS FOUND AT WS #226, EXTENDING FROM THE AFT EDGE 4 INCHES FORWARD ON BOTTOM SKIN. C/W W/O 287639. STOP DRILLED CRACK AT WS #226 AND APPLIED TAPE. PERFORMED HFEC INSP TO BONDED STIFFENER STRAP AT LT WING O.B
- [SDR QXEA2020080600232](https://openairdocs.org/sdr/QXEA2020080600232.md): Bypass Valve · malfunctioned · Aug 5, 2020 · N412QX · Bombdr DHC8402 · Engine Oil Temperature Regulator
  > ON CLIMB, NR 1 ENG OIL TEMP WAS AT 108 FOR AT LEAST 3 MINUTES. RAN HIGH OIL TEMP CHECKLIST AND REDUCED POWER BY 30%. 2 MINUTES AFTER POWER REDUCTION, OIL TEMP DROPPED TO 107 AND CONTINUED TO DROP ON OUR DESCENT BACK TO DEPARTURE. RETURNED TO FIELD. LANDING
- [SDR QXEA2020030200119](https://openairdocs.org/sdr/QXEA2020030200119.md): Pump · malfunctioned · Feb 29, 2020 · N412QX · Bombdr DHC8402 · Hydraulic Pump (Electric/Engine), Main
  > WHEN SELECTING GEAR UP ON T/O, MASTER CAUTION #2 ENG HYD PUMP CAME ON FOR ABOUT 1 SECOND. GEAR REMAINED STATIONARY WHILE THE MASTER CAUTION WAS ON. AFTER MASTER CAUTION WENT AWAY, GEAR RETRACTED AS NORMAL. PRESSURE WAS NOT ABLE TO BE OBSERVED WITH CAUTION ON B
- [SDR QXEA2020021700102](https://openairdocs.org/sdr/QXEA2020021700102.md): Light · loose · Feb 14, 2020 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > PHOTO ILLUMINESCENT STRIP IN FRONT OF SEATS 2E AND 2B HAS COME LOOSE. REMOVED FROM SERVICE. CLEANED AND RESECURED AS REQUIRED. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2020020300076](https://openairdocs.org/sdr/QXEA2020020300076.md): Hydraulic System · malfunctioned · Feb 1, 2020 · N412QX · Bombdr DHC8402 · Hydraulic System, Main
  > ON DEPARTURE OUT OF RDM WHEN GEAR WAS SELECTED UP, MASTER CAUTION #2 ENG HYD PUMP ILLUMINATED GEAR REMAINED DOWN. AFTER ABOUT 1 SEC MASTER CAUTION WENT AWAY AND GEAR CAME UP. HYD PRESS & HYD QTY WAS 90% AT THE GATE. HYD QTY IS NOW AT 85%. REMOVED FROM SERVI
- [SDR QXEA2020012800064](https://openairdocs.org/sdr/QXEA2020012800064.md): Light · loose · Jan 27, 2020 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > FOUND EMERGENCY FLOOR STRIP NEXT TO FORWARD GALLEY AND CENTER ISLE CARPET NOT SECURE. REMOVED FROM SERVICE. RESECURED EMERGENCY FLOOR LIGHT STRIP AS NEEDED AND SEALED ATTACHING WET FLOORING AS NEEDED. RETURNED TO SERVICE.
- [SDR QXEA2020012800055](https://openairdocs.org/sdr/QXEA2020012800055.md): Light · loose · Jan 27, 2020 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > LUMINESCENT STRIP AND CARPET LOOSE IN FRONT OF FORWARD GALLEY. REMOVED FROM SERVICE. SECURED LOOSE CARPET. NO FURTHER DEFECTS NOTED AT THIS TIME.
- [SDR QXEA2019102100388](https://openairdocs.org/sdr/QXEA2019102100388.md): Pressure Switch · malfunctioned · Oct 19, 2019 · N412QX · Bombdr DHC8402 · Hydraulic System, Main
  > #1 HYD ISO VLV CAUTION DURING CLIMB. RAN E&A CHECKLIST. DIVERT TO PDX. BRAKES WORKED ON LANDING. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REPLACED #1 HYD ISO VLV OUTPUT PRESSURE SWITCH IAW AMM TASKS 29-30-11-000-801 AND 29-30-11-400-801 FOR PRECAUTIONARY MEAS
- [SDR QXEA2019102100389](https://openairdocs.org/sdr/QXEA2019102100389.md): Lamp · inoperative · Oct 17, 2019 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > CEILING EMERGENCY OVERHEAD LIGHT (ROW1) INOP. RELAMPED OPS CHECK GOOD, NO FURTHER DEFECTS NOTED.
- [SDR QXEA2019093000372](https://openairdocs.org/sdr/QXEA2019093000372.md): Generator · malfunctioned · Sep 27, 2019 · N412QX · Bombdr DHC8402 · AC Generator-Alternator
  > ON TAKEOFF ROLL PRIOR TO THE 80 KTS CALL, #2 AC GEN CAUTION ILLUMINATED. ABORTED TAKEOFF AND RAN CHECKLIST, LIGHT REMAINED ILLUMINATED. REMOVED FROM SERVICE. EPCU SHOWED FAULT CODE 28. REMOVED AND REPLACED #2 AC GCU IAW Q400 AMM 24-21-06-000/400-801. NO HEL
- [SDR QXEA2019091300354](https://openairdocs.org/sdr/QXEA2019091300354.md): Power Unit · malfunctioned · Sep 12, 2019 · N412QX · Bombdr DHC8402 · Trailing Edge Flap Actuator
  > ON T/O AFTER FLAPS WERE SELECTED TO 0 DEG FLAP DRIVE CAUTION LT ILLUMINATED. FLAPS INDICATED 0 DEG AND FLAP SELECTOR LEVER INDICATED 0 DEG LANDING WAS ACCOMPLISHED AT FLAP 0 DEG PER E/A CHECKLIST. RETURNED TO FIELD. EMERGENCY DECLARED. LANDING UNEVENTFUL. REMO
- [SDR QXEA2019090900349](https://openairdocs.org/sdr/QXEA2019090900349.md): Battery · discharged · Sep 9, 2019 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHTS DS2, DS3 (OVER HEAD AISLE), EXIT SIGNS DS13, DS17, DS20 (FWD RT PAX), AND EGRESS LIGHT DS9 FOUND TO BE INOP DURING OPS TEST. REMOVED AND REPLACED EPS2 EMERGENCY LIGHT POWER SUPPLY AND BOTH ASSOCIATED BATTERIES. REF: AMM TASKS 33-51-01-000-801,
- [SDR QXEA2019090500340](https://openairdocs.org/sdr/QXEA2019090500340.md): Placard · missing · Sep 3, 2019 · N412QX · Bombdr DHC8402 · Placards and Markings
  > LIFT HERE PLACARD CAME OFF ON TYPE II/III EMERGENCY EXIT. REMOVED FROM SERVICE. REPLACED LIFT HERE PLACARD ON TYPE II?III EXIT. RETURNED TO SERVICE.
- [SDR QXEA2019081900319](https://openairdocs.org/sdr/QXEA2019081900319.md): Wire · burned · Aug 19, 2019 · N412QX · Bombdr DHC8402 · APU System Wiring
  > ON PREFLIGHT FO NOTICED A BURN WIRE INSIDE THE NOSE COMPARTMENT. THE IS ON THE TOP RIGHT SIDE OF THE BOX THAT HAS ALL THE CIRCUIT BREAKERS FACING FORWARD. APU PLACED ON MEL. FERRIED AIRCRAFT FOR REPAIRS. AIRCRAFT CURRENTLY OUT OF SERVICE.
- [SDR QXEA2019050600208](https://openairdocs.org/sdr/QXEA2019050600208.md): Battery Pack · inoperative · Apr 27, 2019 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > WHILE PERFORMING MTC 335000202-60045: OPERATIONAL CHECK OF THE EMERGENCY LIGHT SYSTEM, FOUND LT 3 AND RT 3 EMERGENCY BATTERY PACK INOP. REMOVED AND REPLACED EPSU BATTERY PACKS FOR LT 3 AND RT 3 REF AMM 33-51-00-820-801. OPERATIONAL TEST GOOD. NO FURTHER DEFECT
- [SDR QXEA2019042500190](https://openairdocs.org/sdr/QXEA2019042500190.md): Warning Light · false activation · Apr 25, 2019 · N412QX · Bombdr DHC8402 · Door Warning System
  > ON TAKE OFF @ APPROX 100 KTS, MASTER WARNING FOR FUSELAGE DOORS ILLUMINATED. TAKE OFF WAS ABORTED AND NORMAL BRAKING USED. AFTER ABORT, AFT SERVICE DOOR INDICATED OPEN. FLIGHT ATTENDANT MOVED HANDLE AND DOOR THEN INDICATED CLOSED. REMOVED FROM SERVICE. INSPECT
- [SDR QXEA2019041500177](https://openairdocs.org/sdr/QXEA2019041500177.md): Sequence Valve · malfunctioned · Apr 13, 2019 · N412QX · Bombdr DHC8402 · Landing Gear Retraction/Extension System
  > ON APPROACH WITH GEAR DOWN SELECTION, THE LEFT AND RIGHT MAIN GEAR CAME DOWN NORMALLY. THE NOSE GEAR INDICATED RED NOT DOWN ON THE NORMAL INDICATOR AND THE ALTERNATE GEAR INDICATOR. RAN THE E/A CHECKLIST TO EXTEND THE GEAR NORMALLY. NOSE GEAR CAME DOWN. NORMAL
- [SDR QXEA2019041100170](https://openairdocs.org/sdr/QXEA2019041100170.md): Selector Valve · failed · Apr 9, 2019 · N412QX · Bombdr DHC8402 · Landing Gear Retraction/Extension System
  > LANDING GEAR FAILED TO EXTEND USING NORMAL EXTENSION SYSTEM. ONLY RED GEAR UNSAFE CAUTION SHOWN WITH GEAR SELECTED DOWN. TRIED TWICE. FOLLOWED ALTERNATE LANDING GEAR EXTENSION CHECKLIST TO EXTEND THE GEAR. LANDING UNEVENTFUL. REMOVED FROM SERVICE. INTERRAGAT
- [SDR QXEA2019031500122](https://openairdocs.org/sdr/QXEA2019031500122.md): Light · loose · Mar 15, 2019 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY FLOOR PATH LOOSE AT FWD GALLEY. REMOVED FROM SERVICE. RE INSTALLED PATH LIGHTING PER AMM 33-51-16-400-801. LIGHTING STRIP SECURE. RETURNED TO SERVICE.
- [SDR QXEA2018121000450](https://openairdocs.org/sdr/QXEA2018121000450.md): Light · loose · Dec 8, 2018 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHTING STRIP BY MAIN PASS DOOR LOOSE. REMOVED FROM SERVICE. REINSTALLED EMERGENCY FLOOR-PATH-LIGHT STRIP IAW AMM TASK 33-51-16-400-801. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2018110500409](https://openairdocs.org/sdr/QXEA2018110500409.md): Blade · malfunctioned · Nov 3, 2018 · N412QX · Bombdr DHC8402 · Propeller/Rotor Anti-Ice/De-Ice System
  > DURING FLIGHT PROP DEICE CAUTION CYCLED ON AND OFF. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REMOVED AND REPLACED #1 PROP #4 BLADE. PROP DEICE FUNCTIONAL CHECK OK. RETURNED TO SERVICE.
- [SDR QXEA2018091900339](https://openairdocs.org/sdr/QXEA2018091900339.md): Microphone · faulty · Sep 19, 2018 · N412QX · Bombdr DHC8402 · HF Communications System
  > ON DEPARTURE COM 1 HAD INTERMITTENT CLICKING, UNABLE TO TRANSMIT OR RECEIVE. VHF 1 WAS SHOWING TX ON BOTH ARCDUS & STBY COM. UNPLUGGED CA HAND MICROPHONE & CLICKING STOPPED. TX DISAPPEARED ON BOTH ARCDUS & STBY COM. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOV
- [SDR QXEA2018091300332](https://openairdocs.org/sdr/QXEA2018091300332.md): Microphone · deteriorated · Sep 12, 2018 · N412QX · Bombdr DHC8402 · VHF Communications System
  > ARCDU'S VHF COM 1 TRANSMITTING (TX) INTERMITTENTLY AND AUDIO CLICKING HEARD REGARDLESS OF TRANSMIT ROTARY SELECTOR POSITIONS. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. VISUALLY INSPECTED BOTH CAPTS AND FOS HAND MIC'S, FOUND FOS MIC TO HAVE S
- [SDR QXEA2018091300331](https://openairdocs.org/sdr/QXEA2018091300331.md): Cdu · malfunctioned · Sep 12, 2018 · N412QX · Bombdr DHC8402 · HF Communications System
  > EXPERIENCED LOST COMMS ON APPROACH. HAD A CONTINUOUS CLICKING NOISE THAT INTERFERED WITH ATC AND A CONTINUOUS TRANSMIT "TX" ON THE NUMBER 1 RADIO. HAD NO COMM AT ALL AT LANDING. TURNED BOTH ARCDUS OFF AT ONE POINT AND STILL HAD THE CLICKING NOISE. POWERED DOWN
- [SDR QXEA2018071600260](https://openairdocs.org/sdr/QXEA2018071600260.md): Battery Pack · discharged · Jul 13, 2018 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHTS RUNNING UNDER POWER SUPPLY EPS1, TURN OFF AFTER 30 SECONDS DURING TEST. REPLACED THE BATTERY PACK.
- [SDR QXEA2018031900097](https://openairdocs.org/sdr/QXEA2018031900097.md): Controller · inoperative · Mar 16, 2018 · N412QX · Bombdr DHC8402 · Cabin Pressure Controller
  > CABIN PRESSURIZATION WARNING DURING CLIMB OUT. ACCOMPLISHED CABIN PRESSURIZATION WARNING CHECKLIST. CABIN PRESSURIZATION WORKS WELL IN MANUAL MODE. CABIN AUTO PRESSURE CONTROL INOPERATIVE. REMOVED FROM SERVICE. REMOVED AND REPLACED THE CABIN PRESSURE CONT
- [SDR QXEA2018012600029](https://openairdocs.org/sdr/QXEA2018012600029.md): Warning Message · false activation · Jan 25, 2018 · N412QX · Bombdr DHC8402 · Trailing Edge Flap Control System
  > FLAP POWER CAUTION LIGHT ILLUMINATED WHEN SELECTING FLAPS TO 5. ATTEMPTED TO RESET IAW E/A CHECKLIST, DID NOT RESET. ABORTED APPROACH. LANDING UNEVENTFUL. REMOVED FROM SERVICE. COMPLIED WITH FIM 27-50-00-810-802. NO RELATED FLAP FAULTS. OPS TEST OF THE FLA
- [SDR QXEA2018010400717](https://openairdocs.org/sdr/QXEA2018010400717.md): Smoke Detector · false activation · Dec 31, 2017 · N412QX · Bombdr DHC8402 · Smoke Detection
  > LAV SMOKE ALARM WENT OFF FOR APPROXIMATELY 1 MINUTE IN FLIGHT. REMOVED FROM SERVICE. REMOVED AND REPLACED LAV SMOKE DETECTOR. REF AMM TASKS 26-12-11-000-801, AND 26-12-11 400-801. OPS CHECKS OK. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2017112100672](https://openairdocs.org/sdr/QXEA2017112100672.md): Manifold · malfunctioned · Nov 18, 2017 · N412QX · Bombdr DHC8402 · Landing Gear Steering System
  > ON TOUCHDOWN -60 KNOTS, AIRCRAFT WAS STEERING TO THE LEFT WITH NO TILLER OR RUDDER INPUT. RIGHT TILLER INPUT WAS UNRESPONSIVE, USED RUDDER TO CORRECT RIGHT WHEN NOSE WHEEL STEERING SUDDENLY STEERED A/C 30 DEGREE OFF RUNWAY CENTERLINE AND NOSE STEERING CAUTION
- [SDR QXEA2017110100658](https://openairdocs.org/sdr/QXEA2017110100658.md): Light · loose · Oct 31, 2017 · N412QX · Bombdr DHC8402 · Emergency Lighting
  > PAX EMERGENCY FLOOR PATH LIGHT STRIP DOES NOT ALIGN PROPERLY ON FLOOR PANEL 133JZ. REPAIRED.
- [SDR QXEA2017102600646](https://openairdocs.org/sdr/QXEA2017102600646.md): Beam · cracked · Oct 23, 2017 · N412QX · Bombdr DHC8402 · Passenger/Crew Doors
  > AFT ENTRY DOOR, NR 2 BEAM CRACKED AT MID AREA, UNDERNEATH CENTER TORQUE TUBE SPRING. REPLACED THE BEAM IAW SRM 51-42-05-02-01, 51-40-15-02-01, 51-42-45-02-01, 51-42-75-02-01, 51-21-10-02-01, AND 51-23-00-00-01.
- [SDR QXEA2017102600642](https://openairdocs.org/sdr/QXEA2017102600642.md): Seat Track · corroded · Oct 23, 2017 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > RIGHT FWD INBD SEAT TRACK NR 12 FROM BS 102.5 TO 229.5, RBL 9.25. CORRODED AT MULTIPLE LOCATIONS. BLENDED AND FOUND OUT OF LIMITS IAW SRM 53-20-49-02-02. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05, AND 51-40-15.
- [SDR QXEA2017102700652](https://openairdocs.org/sdr/QXEA2017102700652.md): Seat Track · corroded · Oct 20, 2017 · N412QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > RIGHT CENTER INBD SEAT TRACK 13 FROM BS 229.5 TO 571.5, RBL 9.25 CORRODED BEYOND LIMITS. THE SEAT WAS REMOVED AND REPLACED IAW SRM 51-40-15, 51-42-05 AND 51-41-00, AND 51-41-05.

Next page: https://openairdocs.org/deregistered/N412QX-2022-12-20/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 = 'N412QX' AND deregistration_id = 'N412QX-2022-12-20'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N412QX-2022-12-20/reports

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