# Service difficulty reports: N423QX, cancelled May 28, 2026

A list on [N423QX, cancelled May 28, 2026](https://openairdocs.org/deregistered/N423QX-2026-05-28.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 6 · 296 reports

- [SDR QXEA2022121200338](https://openairdocs.org/sdr/QXEA2022121200338.md): Power Supply · faulted · Dec 12, 2022 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > ALL 4 EMERGENCY BATTERY PACKS DO NOT HOLD A CHARGE. REPLACED POWER SUPPLIES.
- [SDR QXEA2018092800353](https://openairdocs.org/sdr/QXEA2018092800353.md): Controller · malfunctioned · Sep 27, 2018 · N423QX · Bombdr DHC8402 · Propeller Controlling System
  > INTERMITTANT #2 PEC CAUTION, REMOVED FROM SERVICE. NO CODES FOUND IN CDS. REMOVED AND REPLACED #2 PEC IAW AMM TASKS 61-20-36-000-801 AND 400-801. CALIBRATION AND POST RUNS ALL GOOD. CAUTION DOES NOT ILLUMINATE. NO FAULTS POSTED. RETURNED TO SERVICE.
- [SDR QXEA2018081300291](https://openairdocs.org/sdr/QXEA2018081300291.md): Apu · odor · Aug 8, 2018 · N423QX · Bombdr DHC8402 · APU Bleed Air System
  > ACRID ODOR EMANATING FROM THE AIR VENTS IN THE CABIN. APPEARS TO BE ASSOCIATED WITH APU BLEED AIR. ODOR DISSIPATED WITH APU BLEED AIR OFF. VERIFIED TO BE APU, MEL. RETURNED TO SERVICE.
- [SDR QXEA2018072700266](https://openairdocs.org/sdr/QXEA2018072700266.md): Unknown · odor · Jul 27, 2018 · N423QX · Bombdr DHC8402 · Air Distribution System
  > FA ADVISED OF BURNING OIL SMELL FROM BLEED SYSTEM DURING DESCENT. REMOVED FROM SERVICE. CREW STATED SMELL WAS BRIEF DURING DESCENT. C/W FIM MCN 62172-01 ISSUE 2 STEP 2. FORM M-744 COMPLETED BY FLIGHT CREW. C/W FAULT ISOLATION PROCEDURE PER FIM TASK 71-00-00-81
- [SDR QXEA2018062500234](https://openairdocs.org/sdr/QXEA2018062500234.md): Brake Sys · unknown · Jun 21, 2018 · N423QX · Bombdr DHC8402 · Landing Gear Brake System
  > BRAKES INEFFECTIVE, TOOK FAR MORE PRESSURE THAN NORMAL TO GET BRAKE RESPONSE. REMOVED FROM SERVICE. GVI OF BRAKES, NO DEFECTS, PERFORMED FUNCTIONAL TEST OF ANTI-SKID CONTROL SYSTEM (BUILT IN TEST), FUNCTIONAL TEST OF ANTI-SKID SYSTEM, NO DEFECTS, VISUAL INSPEC
- [SDR QXEA2018052900196](https://openairdocs.org/sdr/QXEA2018052900196.md): Discharge Tube · kinked · May 25, 2018 · N423QX · Bombdr DHC8402 · Extinguishing System
  > NR 1 ENGINE FIRE DISCHARGE TUBE WAS KINKED ON THE OUTBOARD SIDE OF THE NACELLE. 2 INCHES FORWARD OF THE MID FRAME AND ABOVE THE FORWARD LOWER STRUT. REPLACED DISCHARGE TUBE.
- [SDR QXEA2018030100080](https://openairdocs.org/sdr/QXEA2018030100080.md): Screw · loose · Mar 1, 2018 · N423QX · Bombdr DHC8402 · Fixed Inner Doors
  > FLIGHT DECK DOOR DIFFICULT TO OPEN DUE TO UPPER CORNER CATCHING ON LAV DOOR TRIM. REMOVED FROM SERVICE. FOUND LAV DOOR HINGE SCREWS LOOSE. RETIGHTENED SCREWS LAV DOOR AND COCKPIT DOOR HAVE PROPER FREEDOM OF MOVEMENT. RETURNED TO SERVICE. NO PARTS REPLACED.
- [SDR QXEA2018012300025](https://openairdocs.org/sdr/QXEA2018012300025.md): Control Panel · malfunctioned · Jan 22, 2018 · N423QX · Bombdr DHC8402 · Propeller Controlling System
  > NR 1 PROPELLER DOES NOT FEATHER USING ALT FEATHER SWITCH AND LIGHT DOES NOT ILLUMINATE. REPLACED THE ENGINE FUEL, PROPELLER CONTROL PANEL IAW AMM 31-10-01-000-801, AND 31-10-01-400-801. OPS TESTED.
- [SDR QXEA2017072800499](https://openairdocs.org/sdr/QXEA2017072800499.md): Socket · burned · Jul 27, 2017 · N423QX · Bombdr DHC8402 · Landing Gear Position and Warning
  > GREEN NOSE GEAR DOWN AND LOCKED LIGHT DIM. REMOVED FROM SERVICE. FOUND LEFT BULB TERMINAL BURNED. R & R LANDING GEAR CONTROL PANEL IAW AMM 32-31-01-000-801. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2017072700497](https://openairdocs.org/sdr/QXEA2017072700497.md): Lamp · inoperative · Jul 27, 2017 · N423QX · Bombdr DHC8402 · Landing Gear Position and Warning
  > SELECTED GEAR DOWN, ON FINAL, NO RIGHT MAIN GEAR DOWN AND LOCKED INDICATION. RAN E/A CHECKLIST. ALTERNATE GEAR LOCKED DOWN INDICATOR WAS NORMAL, 3 GREEN. RIGHT MAIN GEAR DOWN AND LOCKED LIGHT DOES NOT ILLUMINATE WITH ADVSY LIGHTS TEST. ALL OTHER LIGHTS TE
- [SDR QXEA2017050900351](https://openairdocs.org/sdr/QXEA2017050900351.md): Bumper · out of adjust · May 8, 2017 · N423QX · Bombdr DHC8402 · Passenger/Crew Doors
  > RAMP REPORTS UNABLE TO OPEN MAIN CABIN DOOR FROM THE OUTSIDE HANDLE SEEMS MISALIGNED. REPLACED THE RUBBER STOP OF THE MCD HANDLE IAW TASK 52-11-00-820-801 STEPS 4B(3)(A)-(E). HANDLE STILL UNDERFLUSH APPROX 0.25". ADJUSTED THE MCD OUTER HANDLE BUMPER STOP REF A
- [SDR QXEA2017040700223](https://openairdocs.org/sdr/QXEA2017040700223.md): Lens · broken · Apr 7, 2017 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY EXIT LIGHT AT THE LOWER CORNER OF THE RIGHT EMERGENCY EXIT IS CRACKED AND HAS A BROKEN BASE PLATE. REPLACED DAMAGED ASSEMBLY IAW CMM 25-23-29. PERFORMED OPERATIONAL CHECK IAW AMM 33-51-00-710-801. CHECKS GOOD. RETURNED TO SERVICE.
- [SDR QXEA2017040700220](https://openairdocs.org/sdr/QXEA2017040700220.md): Control Panel · malfunctioned · Apr 5, 2017 · N423QX · Bombdr DHC8402 · Central Display
  > CAPTAIN'S OPEN SPEED BUG STUCK AT 171, WILL NOT CHANGE. DIVERTED, LANDING UNEVENTFUL. REPLACED NR 1 INDEX CONTROL PANEL, PERFORMED OPERATIONAL TEST IAW TC 6316103, ALL CHECKED GOOD. RETURNED TO SERVICE.
- [SDR QXEA2017012700029](https://openairdocs.org/sdr/QXEA2017012700029.md): Warning System · false activation · Jan 27, 2017 · N423QX · Bombdr DHC8402 · Door Warning System
  > AT ROTATION SPEED MASTER WARNING DOOR LIGHT CAME ON. ABORTED TAKE OFF AT 123 KNOTS. INTERROGATED PSU FOUND NO FAULT CODES. PERFORMED OPERATIONAL TEST OF THE AFT PASSENGER DOOR WARNING SYSTEM IAW AMM REF TASK 52-12-00-710-802 3B. (1)-(9). OPS CHECK GOOD. NO FUR
- [SDR QXEA2016090900577](https://openairdocs.org/sdr/QXEA2016090900577.md): Light · loose · Sep 9, 2016 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHT STRIP IN FRONT OF ROW 2D IS LOOSE. SECURED THE LIGHT STRIP. RETURNED TO SERVICE.
- [SDR QXEA2016082700561](https://openairdocs.org/sdr/QXEA2016082700561.md): Shim · missing · Aug 27, 2016 · N423QX · Bombdr DHC8402 · Passenger/Crew Doors
  > RAMP COULD NOT OPEN THE MAIN CABIN DOOR FROM THE OUTSIDE.. INSTALLED MISSING SHIMS AT THE EXTERIOR HANDLE BUMPER IAW AMM TASK 52-11-00-820-801. RETURNED TO SERVICE.
- [SDR QXEA2016063000437](https://openairdocs.org/sdr/QXEA2016063000437.md): Housing · worn · Jun 26, 2016 · N423QX · Bombdr DHC8402 · Cargo/Baggage Doors
  > AFT CARGO DOOR FLUSH HANDLE ASSY HAS EXCESSIVE PLAY. REMOVED BRACKET HANDLE ASSY FROM HSG ASSY, PN 85237500-109-901, REF AMM 52-31-01-000-802 PARA 4A, 2. INSTALLED BRACKET AND HANDLE ASSY ON HOUSING ASSY, PN 85237500-109-901 IAW AMM 52-31-01-400-802 STEP 4D,
- [SDR QXEA2016062900436](https://openairdocs.org/sdr/QXEA2016062900436.md): Stringer · corroded · Jun 26, 2016 · N423QX · Bombdr DHC8402 · Fuselage Main, Longeron/Stringer
  > FRAME STA X401.0 TO STA X428.5, STR 24 EVIDENCE OF CORROSION. CORROSION REMOVAL FROM STR 24P IAW STRUCTURAL ID-02, PAR 2A BETWEEN FSX 401.0 TO FSX 428.5 HAS OVER HALF OF STR MATERIAL LOSS WITH CORROSION STILL PRESENT. REMOVED REMAINING CORROSION FROM STR 24P
- [SDR QXEA2016062800419](https://openairdocs.org/sdr/QXEA2016062800419.md): Seat Track · damaged · Jun 23, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 7 REQUIRES REPLACEMENT. REMOVED SEAT TRACK NR 7, PN 85361510-103, REF SRM 51-42-05, REPAIR -01, SRM 51-40-00-00-01, AND 51-40-15 REPAIR -01. SEAT TRACK NR 7 INSTALLED REF SRM 51-42-05, DWG 85361501, REV E, DWG 85307071, REV A. REMOVED FORWARD
- [SDR QXEA2016062800415](https://openairdocs.org/sdr/QXEA2016062800415.md): Gusset · corroded · Jun 21, 2016 · N423QX · Bombdr DHC8402 · Fuselage Miscellaneous Structure
  > CORROSION ON GUSSET AT FS X281.0 AT STR 24P. REMOVED STRINGER-TO-FRAME CLEAT, PN 85328131-179 AT FS X 281, STR 24P, REF SRM 5142-05-02-01. INSTALLED REPLACEMENT CLEAT AT FS 281.00, STR 24P, PN 85328131, PO TX-5452, REF SRM 51-42-05-02-01, PARA 1-4, A-D DWG-8
- [SDR QXEA2016062800422](https://openairdocs.org/sdr/QXEA2016062800422.md): Seat Track · damaged · Jun 19, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 6, PN 85328210-111, REQUIRES REPLACEMENT. LOCATED AND DRILLED SPLICE ANGLE, PN 85338215-110 AND PN 85338216-11 AT FS X102.50 NR 5 AND NR 6 SEAT TRACK IAW SRM 51-40-07-02-01, 51-40-15-02-01 AND 51-42-05-02-01, DWG: 85338216, REV, DWG: 85338215, R
- [SDR QXEA2016062800434](https://openairdocs.org/sdr/QXEA2016062800434.md): Beam · corroded · Jun 19, 2016 · N423QX · Bombdr DHC8402 · Emergency Exits
  > FOUND CORROSION ON BEAM, PN 85329514-101 AND UNDER NUT PLATES AT EMERGENCY EXIT DOOR SURROUND. REMOVED FLOOR RETAINER, PN 85329515 REF SRM 51-41-00-00-01. INSTALLED FLOOR RETAINER, PN 853259515, REF SRM 51-41-00-00-01 AND DWG 85329511. REMOVED LOWER FORWARD
- [SDR QXEA2016062800418](https://openairdocs.org/sdr/QXEA2016062800418.md): Seat Track · damaged · Jun 18, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 14 REQUIRES REPLACEMENT, PN 85338210-113. REMOVED FWD SPLICE MEMBERS COMMON TO SEAT TRACK NR 14 REF SRM 51-40-15-02-01. INSTALLED FWD SPLICE MEMBERS COMMON TO SEAT TRACK NR 13 AND NR 14 REF SRM 51-42-05-02-01 AND 51-40-15-02-01. REMOVED AFT SPL
- [SDR QXEA2016062800414](https://openairdocs.org/sdr/QXEA2016062800414.md): Bulkhead · damaged · Jun 18, 2016 · N423QX · Bombdr DHC8402 · Fuselage Main, Bulkhead
  > RADOME BULKHEAD, PN 85310146 REQUIRES REPLACEMENT. REMOVED RADOME BULKHEAD, REF SRM 51-42-05-00-01. INSTALLED NEW BULKHEAD SKIN PN 85310146 AT FS X66.00 IAW SRM 51-42-05, SRM 51-42-45 AND DWG:85310011, REV AN. REMOVED ALL STIFFENERS FWD OF RADOME BULKHEAD R
- [SDR QXEA2016062800416](https://openairdocs.org/sdr/QXEA2016062800416.md): Seat Track · damaged · Jun 17, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 13 REQUIRES REPLACEMENT. REMOVED SEAT TRACK, NR 13, REF SRM 51-42-050-02-01 AND 51-41-00-00-01. INSTALLED 36 BOLTS TO SEAT TRACK NR 13, REF SRM 51-41-00-00-01. DISPLACED GROUND CONNECTION 2421-GS18 AND 2421-G519 FROM FS X290.5 AND Y9.250 REF S
- [SDR QXEA2016062800411](https://openairdocs.org/sdr/QXEA2016062800411.md): Doubler · corroded · Jun 16, 2016 · N423QX · Bombdr DHC8402 · Fuselage Main, Plate/Skin
  > LOWER TCAS ANTENNA EXTERIOR DOUBLER IS CORRODED. REMOVED LOWER TCAS ANTENNA EXTERIOR DOUBLER, PN 85314193-103, REF SRM 51-42-05-02-01. INSTALLED NEW LOWER TCAS ANTENNA EXTERIOR DOUBLER, PN QX85314193-103, REF SRM 51-42-05-02-01 AND DWG:85310015, REV I. NO PI
- [SDR QXEA2016062800423](https://openairdocs.org/sdr/QXEA2016062800423.md): Seat Track · damaged · Jun 14, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 5, PN 85328210-109 REQUIRES REPLACEMENT. REMOVED CABLE TIES FROM WIRE HARNESS ATTACH TO TRACK NR 5 AT THE FOLLOWING LOCATION; 1 AT FS 9, 4 AT FS 35-39, 2 AT FS 75, 4 AT FS 81-84, REF WM 20-12-10-21. INSTALLED CABLE TIES TO SECURE WIRE HARNESSES
- [SDR QXEA2016062800413](https://openairdocs.org/sdr/QXEA2016062800413.md): Angle · damaged · Jun 14, 2016 · N423QX · Bombdr DHC8402 · Fuselage Miscellaneous Structure
  > DRIP ANGLE COMMON TO SEAT TRACK NR 5 AND NR 6 REQUIRE REPLACEMENT, PN 85307495-111, FS 49.5-FS 156, Y-9.250. REMOVED DAMAGED DRIP ANGLE COMMON TO SEAT TRACK NR 5 AND NR 6 REF SRM 51-42-05-02-01. INSTALLED NEW DRIP ANGLE, PN 85307445-111 AT FS X 49.5 TO FS X
- [SDR QXEA2016062800420](https://openairdocs.org/sdr/QXEA2016062800420.md): Seat Track · damaged · Jun 13, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 12, PN 85328210-112 REQUIRES REPLACEMENT. REMOVED SPLICE MEMBERS COMMON TO SEAT TRACKS 11 & 12, REF SRM 51-42-05, 51-40-15. INSTALLED SPLICE MEMBERS COMMON TO SEAT TRACKS NR 11 AND NR 12, REF SRM 51-42-05, 51-40-15 AND DWG 85328201, REV D. LOC
- [SDR QXEA2016062800435](https://openairdocs.org/sdr/QXEA2016062800435.md): Plate · corroded · Jun 11, 2016 · N423QX · Bombdr DHC8402 · Air Collision Avoidance System
  > LOWER TCAS ANTENNA ADAPTER PLATE CORRODED, MARKED. REMOVED LOWER TCAS ANTENNA, BOTTOM PLATFORM, PN 85335262-105, REF SRM 51-42-05-02-01. INSTALLED LOWER TCAS ANTENNA BOTTOM PLATFORM, PN 85335262-105, REF SRM 51-42-05-02-01 AND DWG 85310015, REV J, DATED JULY
- [SDR QXEA2016062800412](https://openairdocs.org/sdr/QXEA2016062800412.md): Stiffener · damaged · Jun 11, 2016 · N423QX · Bombdr DHC8402 · Fuselage Miscellaneous Structure
  > STIFFENER, PN 85311302-109 HAS BLOWN OUT HOLES. REMOVED STIFFENER, REF SRM 51-42-05-00-01. INSTALLED NEW STIFFENER BULKHEAD, PN 85311302-109 IAW SRM 51-42-05 AND DWG 85310011, REV-AN. LOCATED AND DRILLED NEW STIFFENER REF SRM 51-40-07-02-01.
- [SDR QXEA2016062800421](https://openairdocs.org/sdr/QXEA2016062800421.md): Seat Track · damaged · Jun 10, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 8 REQUIRES REPLACEMENT, PN 85338210-109. REMOVED SPLICE COMMON TO SEAT TRACK NR 8 AND NR 9, REF SRM 51-42-05-02-01 AND 51-40-15-02-01. INSTALLED SPLICE INBD AND OTBD COMMON TO SEAT TRACK NR 8 AND NR 9, REF SRM 51-42-05-02-01, STEP 4D, 3-10, AND
- [SDR QXEA2016062800417](https://openairdocs.org/sdr/QXEA2016062800417.md): Seat Track · damaged · Jun 8, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 15 REQUIRES REPLACEMENT. REMOVED SPLICE MEMBERS COMMON TO SEAT TRACKS NR 14 AND NR 15. REMOVED SPLICE MEMBERS COMMON TO SEAT TRACKS NR 15 AND NR 16. INSTALLED SPLICE MEMBERS COMMON TO, NEW, SEAT TRACK NR 15 AND SEAT TRACK NR 16 REF SRM 51-40-1
- [SDR QXEA2016062800425](https://openairdocs.org/sdr/QXEA2016062800425.md): Seat Track · corroded · Jun 7, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > REPLACE SEAT TRACK NR 10. REMOVED SPLICE ANGLES, PN: 85338215-101 AND PN: 85338216-101 AT FS X 10.5 SEAT RAIL NR 10 IAW SRM 51-40-15 AND 51-42-05. INSTALLED SPLICE ANGLES INBD AND OTBD AT FS X 1.5 REF SRM 51-42-05-02-01, STEP 4D, 3-10 AND SRM 51-40-15-02-01,
- [SDR QXEA2016062800424](https://openairdocs.org/sdr/QXEA2016062800424.md): Seat Track · corroded · Jun 6, 2016 · N423QX · Bombdr DHC8402 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 11 REQUIRES REPLACEMENT. REMOVED DRIP TRAY, PN:82570105-102 COMMON TO SEAT TRACK NR 11-13 IAW SRM 51-41-05. JOB 5415331, OPS 242 FOR THE COMPLETION OF THIS TASK. REMOVED SEAT TRACK SILL, PN:85307495-112, COMMON TO SEAT TRACK NR 11 AND NR 12 IA
- [SDR QXEA2016062800429](https://openairdocs.org/sdr/QXEA2016062800429.md): Threshold · not reported · Jun 4, 2016 · N423QX · Bombdr DHC8402 · Fuselage Miscellaneous Structure
  > COMPLY WITH HORIZON TASK CARD 6-53-1160, AFT PASSENGER DOOR FLT, REMOVED STAINLESS SILL, THRESHOLD PLATE, INNER REF SRM 51-40-00, PN 85-339540-103. INSTALLED STAINLESS SILL, THRESHOLD PLATE AT AFT PASSENGER DOOR. REF SRM 51-41-00 THRESHOLD PLATE, PN 85339540-
- [SDR QXEA2016062800428](https://openairdocs.org/sdr/QXEA2016062800428.md): Threshold · corroded · Jun 4, 2016 · N423QX · Bombdr DHC8402 · Fuselage Miscellaneous Structure
  > FOUND CORROSION ON THRESHOLD PLATE, PN 85329539-001 AT FWD PAX DOOR. LOCATED AND TRANSFERRED HOLES TO NEW PART THRESHOLD PLATE, PN 85329539-001 IAW SRM 51-42-05-02-01 AND DWG 85329539, REV 96/05/21. INSTALLED RUBBING PAD, PN 85329538 NEW PART AT THRESHOLD PL
- [SDR QXEA2016062800430](https://openairdocs.org/sdr/QXEA2016062800430.md): Beam · corroded · Jun 3, 2016 · N423QX · Bombdr DHC8402 · Passenger/Crew Doors
  > INNER EDGE BEAM CORRODED PN 85339512-101, NEEDS REPLACEMENT. LOCATED AND DRILLED NEW INNER EDGE BEAM, PN 85339512-101, REF SRM 51-40-07-02-01. APPLIED ALUMINIZE TOP COAT TO INNER EDGE BEAM, REF SRM 51-25-02-01. INSTALLED 12 EA NUTPLATES WET, HT3326-5FR ON NE
- [SDR QXEA2016022500151](https://openairdocs.org/sdr/QXEA2016022500151.md): Spar · gouged · Feb 24, 2016 · N423QX · Bombdr DHC8402 · Rudder, Spar/Rib
  > TRAILING RUDDER FRONT SPAR AT LOWER MAIN HINGE HAS GOUGED. REPAIRED IAW RD 8/4-55-1221, ISSUE 2. NO DEFECTS NOTED.
- [SDR QXEA2016012300056](https://openairdocs.org/sdr/QXEA2016012300056.md): Battery Pack · intermittent · Jan 23, 2016 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY POSITION 2 INTERMITTENT. REPLACED BATTERY PACKS IAW AMM 33-51-00-820-801. CHECKED GOOD.
- [SDR QXEA2016011700028](https://openairdocs.org/sdr/QXEA2016011700028.md): Warning Light · false activation · Jan 17, 2016 · N423QX · Bombdr DHC8402 · Overheat Detection
  > NR 1 BLEED HOT ILLUMINATED IN FLIGHT, DIVERTED, UNEVENTFUL LANDING. ACCOMPLISHED FSM BLEED HOT RESET PROCUDURE RESET SUCCESSFULL BLEED HOT CAUTION DID NOT ILLUMINATE. RETURNED TO SERVICE.
- [SDR QXEA2016010100003](https://openairdocs.org/sdr/QXEA2016010100003.md): Light · loose · Jan 1, 2016 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > FLOOR PATH LIGHTING STRIP AT ROW 1 LOOSE. RE-INSTALLED FLOOR PATH STRIP IAW AMM TASK 33-51-16-400-801. RETURNED TO SERVICE.
- [SDR QXEA2015121800656](https://openairdocs.org/sdr/QXEA2015121800656.md): Connector · arced · Dec 18, 2015 · N423QX · Bombdr DHC8402 · Electrical Power System Wiring
  > FOUND CONNECTOR PLUG 2421-P5 AT RACCB WIRES AND PLUG HAVE ARCING DAMAGE. ALL WIRES PINS A THRU F ARE DAMAGED. REMOVED DAMAGED WIRES BY RETERMINATING PIN A THRU F. REPLACED CONNECTOR PLUG 2421-P5 IAW WM 20-17-19-401. CONTINUITY CHECKS GOOD IAW WD 24-21-00 AN
- [SDR QXEA2015111100590](https://openairdocs.org/sdr/QXEA2015111100590.md): Bulb · wrong part · Nov 11, 2015 · N423QX · Bombdr DHC8402 · Cargo Compartment Lighting
  > ELECTRICAL ODOR IN THE AFT CARGO COMPARTMENT ON THE GROUND. FOUND LIGHT IN COMPARTMENT TO HAVE HIGH WATTAGE NR 1683 BULB INSTALLED. REPLACED WITH LOW WATTAGE NR 305. RETURNED TO SERVICE.
- [SDR QXEA2015102600555](https://openairdocs.org/sdr/QXEA2015102600555.md): Light · detached · Oct 26, 2015 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > FORWARD EMERGENCY LIGHT STRIP AT ROW 1 CAME OFF. SECURED FLOOR STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015102500557](https://openairdocs.org/sdr/QXEA2015102500557.md): Light · loose · Oct 25, 2015 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > FLOOR PATH STRIP AT ROW 1 IS LOOSE. REPLACED FLOOR PATH STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015092200504](https://openairdocs.org/sdr/QXEA2015092200504.md): Transducer · malfunctioned · Sep 22, 2015 · N423QX · Bombdr DHC8402 · Landing Gear Brake System
  > ON LANDING, BRAKES INEFFECTIVE. INTERROGATED CDS ANTI-SKID SYS, NO CURRENT FAULTS. IN HISTORY, FOUND ASC PAST FAULTS RT INBD WST LEG 0, RT INBD WST LEG 14. REPLACED RT INBD WST NR 3. REMOVED IAW AMM TASK 32-46-11-000-801. INSTALLED IAW TASK 32-46-11-400, PA
- [SDR QXEA2015062600349](https://openairdocs.org/sdr/QXEA2015062600349.md): Light · detached · Jun 26, 2015 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHTING STRIP IS LOOSE AT ROW 1. ATTACHED LIGHT STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015051800265](https://openairdocs.org/sdr/QXEA2015051800265.md): Lamp · inoperative · May 18, 2015 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > F/A EMERGENCY LIGHT SWITCH IS INOPERATIVE FOR THE "NORMAL" POSITION. RELAMPED AS REQUIRED. OPS CHECKS GOOD.
- [SDR QXEA2015022600100](https://openairdocs.org/sdr/QXEA2015022600100.md): Battery Pack · intermittent · Feb 26, 2015 · N423QX · Bombdr DHC8402 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK 3 INTERMITTENT. REPLACED BATTERY PACK IAW AMM TASKS 33-51-01-000-801 & 33-51-01-400-801. CHECKS GOOD.

Next page: https://openairdocs.org/deregistered/N423QX-2026-05-28/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 = 'N423QX' AND deregistration_id = 'N423QX-2026-05-28'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N423QX-2026-05-28/reports

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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, except the copies of manufacturers’ service documents, which belong to their rights holders.