# N423QX: 2007 Bombardier DHC-8-402, registration cancelled 2026-05-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 28, 2026
- Exported to: Canada
- Status when cancelled: Valid registration
- Airframe: [Bombardier DHC-8-402](https://openairdocs.org/model/bombardier-dhc-8-402) (registry code 1390042)
- Engine: [Pratt & Whitney Canada PW150A](https://openairdocs.org/engine/pratt-whitney-canada-pw150a) (registry code 52167)
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM), [TCDS E00062EN](https://openairdocs.org/tcds/E00062EN) (OpenAirDocs)
- Serial number: 4153
- Year built: 2007
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: April 20, 2007
- Certificate issued: January 16, 2024
- Last registry action: January 16, 2024
- Mode S code: A50838
- Owner when cancelled: [Tronos Aviation Consulting USA Inc Trustee](https://openairdocs.org/faa-owner/TRONOS%20AVIATION%20CONSULTING%20USA%20INC%20TRUSTEE)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.8187° N, 75.5062° W: Placed by OpenAirDocs at the center of ZIP code 19810, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N423QX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423QX
- Page: https://openairdocs.org/deregistered/N423QX-2026-05-28

From the FAA registry file of November 12, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Bombardier DHC-8-402: https://openairdocs.org/model/bombardier-dhc-8-402.md

## Service difficulty reports (296, newest 50)

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

- [SDR QXEA2022121200338](https://openairdocs.org/sdr/QXEA2022121200338), Dec 12, 2022: POWER SUPPLY. FAULTED. ALL 4 EMERGENCY BATTERY PACKS DO NOT HOLD A CHARGE. REPLACED POWER SUPPLIES.
- [SDR QXEA2018092800353](https://openairdocs.org/sdr/QXEA2018092800353), Sep 27, 2018: CONTROLLER. MALFUNCTIONED. 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 AN
- [SDR QXEA2018081300291](https://openairdocs.org/sdr/QXEA2018081300291), Aug 8, 2018: APU. ODOR. 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, M
- [SDR QXEA2018072700266](https://openairdocs.org/sdr/QXEA2018072700266), Jul 27, 2018: UNKNOWN. ODOR. 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
- [SDR QXEA2018062500234](https://openairdocs.org/sdr/QXEA2018062500234), Jun 21, 2018: BRAKE SYS. UNKNOWN. 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
- [SDR QXEA2018052900196](https://openairdocs.org/sdr/QXEA2018052900196), May 25, 2018: DISCHARGE TUBE. KINKED. 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 DI
- [SDR QXEA2018030100080](https://openairdocs.org/sdr/QXEA2018030100080), Mar 1, 2018: SCREW. LOOSE. 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 LA
- [SDR QXEA2018012300025](https://openairdocs.org/sdr/QXEA2018012300025), Jan 22, 2018: CONTROL PANEL. MALFUNCTIONED. NR 1 PROPELLER DOES NOT FEATHER USING ALT FEATHER SWITCH AND LIGHT DOES NOT ILLUMINATE. REPLACED THE ENGINE FUEL, PROPELLER CONTROL PANEL IAW AMM 31-10-01-000-8
- [SDR QXEA2017072800499](https://openairdocs.org/sdr/QXEA2017072800499), Jul 27, 2017: SOCKET. BURNED. 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. AIR
- [SDR QXEA2017072700497](https://openairdocs.org/sdr/QXEA2017072700497), Jul 27, 2017: LAMP. INOPERATIVE. 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 
- [SDR QXEA2017050900351](https://openairdocs.org/sdr/QXEA2017050900351), May 8, 2017: BUMPER. OUT OF ADJUST. 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
- [SDR QXEA2017040700223](https://openairdocs.org/sdr/QXEA2017040700223), Apr 7, 2017: LENS. BROKEN. 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. PERFORM
- [SDR QXEA2017040700220](https://openairdocs.org/sdr/QXEA2017040700220), Apr 5, 2017: CONTROL PANEL. MALFUNCTIONED. 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 63161
- [SDR QXEA2017012700029](https://openairdocs.org/sdr/QXEA2017012700029), Jan 27, 2017: WARNING SYSTEM. FALSE ACTIVATION. 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
- [SDR QXEA2016090900577](https://openairdocs.org/sdr/QXEA2016090900577), Sep 9, 2016: LIGHT. LOOSE. EMERGENCY LIGHT STRIP IN FRONT OF ROW 2D IS LOOSE. SECURED THE LIGHT STRIP. RETURNED TO SERVICE.
- [SDR QXEA2016082700561](https://openairdocs.org/sdr/QXEA2016082700561), Aug 27, 2016: SHIM. MISSING. 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 SER
- [SDR QXEA2016063000437](https://openairdocs.org/sdr/QXEA2016063000437), Jun 26, 2016: HOUSING. WORN. 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. INSTAL
- [SDR QXEA2016062900436](https://openairdocs.org/sdr/QXEA2016062900436), Jun 26, 2016: STRINGER. CORRODED. 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 OVE
- [SDR QXEA2016062800419](https://openairdocs.org/sdr/QXEA2016062800419), Jun 23, 2016: SEAT TRACK. DAMAGED. 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 
- [SDR QXEA2016062800415](https://openairdocs.org/sdr/QXEA2016062800415), Jun 21, 2016: GUSSET. CORRODED. 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
- [SDR QXEA2016062800422](https://openairdocs.org/sdr/QXEA2016062800422), Jun 19, 2016: SEAT TRACK. DAMAGED. 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 TR
- [SDR QXEA2016062800434](https://openairdocs.org/sdr/QXEA2016062800434), Jun 19, 2016: BEAM. CORRODED. 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. INSTA
- [SDR QXEA2016062800418](https://openairdocs.org/sdr/QXEA2016062800418), Jun 18, 2016: SEAT TRACK. DAMAGED. 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 MEMBE
- [SDR QXEA2016062800414](https://openairdocs.org/sdr/QXEA2016062800414), Jun 18, 2016: BULKHEAD. DAMAGED. 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
- [SDR QXEA2016062800416](https://openairdocs.org/sdr/QXEA2016062800416), Jun 17, 2016: SEAT TRACK. DAMAGED. 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
- [SDR QXEA2016062800411](https://openairdocs.org/sdr/QXEA2016062800411), Jun 16, 2016: DOUBLER. CORRODED. 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 
- [SDR QXEA2016062800423](https://openairdocs.org/sdr/QXEA2016062800423), Jun 14, 2016: SEAT TRACK. DAMAGED. 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 3
- [SDR QXEA2016062800413](https://openairdocs.org/sdr/QXEA2016062800413), Jun 14, 2016: ANGLE. DAMAGED. 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 
- [SDR QXEA2016062800420](https://openairdocs.org/sdr/QXEA2016062800420), Jun 13, 2016: SEAT TRACK. DAMAGED. 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 MEMBE
- [SDR QXEA2016062800435](https://openairdocs.org/sdr/QXEA2016062800435), Jun 11, 2016: PLATE. CORRODED. 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 AN
- [SDR QXEA2016062800412](https://openairdocs.org/sdr/QXEA2016062800412), Jun 11, 2016: STIFFENER. DAMAGED. 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 AN
- [SDR QXEA2016062800421](https://openairdocs.org/sdr/QXEA2016062800421), Jun 10, 2016: SEAT TRACK. DAMAGED. 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 S
- [SDR QXEA2016062800417](https://openairdocs.org/sdr/QXEA2016062800417), Jun 8, 2016: SEAT TRACK. DAMAGED. 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 1
- [SDR QXEA2016062800425](https://openairdocs.org/sdr/QXEA2016062800425), Jun 7, 2016: SEAT TRACK. CORRODED. 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 SPL
- [SDR QXEA2016062800424](https://openairdocs.org/sdr/QXEA2016062800424), Jun 6, 2016: SEAT TRACK. CORRODED. 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 COMPLETIO
- [SDR QXEA2016062800429](https://openairdocs.org/sdr/QXEA2016062800429), Jun 4, 2016: THRESHOLD. NOT REPORTED. 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 ST
- [SDR QXEA2016062800428](https://openairdocs.org/sdr/QXEA2016062800428), Jun 4, 2016: THRESHOLD. CORRODED. 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
- [SDR QXEA2016062800430](https://openairdocs.org/sdr/QXEA2016062800430), Jun 3, 2016: BEAM. CORRODED. 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
- [SDR QXEA2016022500151](https://openairdocs.org/sdr/QXEA2016022500151), Feb 24, 2016: SPAR. GOUGED. 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), Jan 23, 2016: BATTERY PACK. INTERMITTENT. 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), Jan 17, 2016: WARNING LIGHT. FALSE ACTIVATION. NR 1 BLEED HOT ILLUMINATED IN FLIGHT, DIVERTED, UNEVENTFUL LANDING. ACCOMPLISHED FSM BLEED HOT RESET PROCUDURE RESET SUCCESSFULL BLEED HOT CAUTION DID NOT ILLUM
- [SDR QXEA2016010100003](https://openairdocs.org/sdr/QXEA2016010100003), Jan 1, 2016: LIGHT. LOOSE. 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), Dec 18, 2015: CONNECTOR. ARCED. 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 
- [SDR QXEA2015111100590](https://openairdocs.org/sdr/QXEA2015111100590), Nov 11, 2015: BULB. WRONG PART. 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
- [SDR QXEA2015102600555](https://openairdocs.org/sdr/QXEA2015102600555), Oct 26, 2015: LIGHT. DETACHED. FORWARD EMERGENCY LIGHT STRIP AT ROW 1 CAME OFF. SECURED FLOOR STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015102500557](https://openairdocs.org/sdr/QXEA2015102500557), Oct 25, 2015: LIGHT. LOOSE. FLOOR PATH STRIP AT ROW 1 IS LOOSE. REPLACED FLOOR PATH STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015092200504](https://openairdocs.org/sdr/QXEA2015092200504), Sep 22, 2015: TRANSDUCER. MALFUNCTIONED. 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. REPL
- [SDR QXEA2015062600349](https://openairdocs.org/sdr/QXEA2015062600349), Jun 26, 2015: LIGHT. DETACHED. EMERGENCY LIGHTING STRIP IS LOOSE AT ROW 1. ATTACHED LIGHT STRIP. RETURNED TO SERVICE.
- [SDR QXEA2015051800265](https://openairdocs.org/sdr/QXEA2015051800265), May 18, 2015: LAMP. INOPERATIVE. F/A EMERGENCY LIGHT SWITCH IS INOPERATIVE FOR THE "NORMAL" POSITION. RELAMPED AS REQUIRED. OPS CHECKS GOOD.
- [SDR QXEA2015022600100](https://openairdocs.org/sdr/QXEA2015022600100), Feb 26, 2015: BATTERY PACK. INTERMITTENT. EMERGENCY LIGHT BATTERY PACK 3 INTERMITTENT. REPLACED BATTERY PACK IAW AMM TASKS 33-51-01-000-801 & 33-51-01-400-801. CHECKS GOOD.

All 296: https://openairdocs.org/deregistered/N423QX-2026-05-28/reports.md

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