# N444QX: 2011 Bombardier DHC-8-402, registration cancelled 2024-03-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 6, 2024
- Exported to: Nepal
- 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: 4355
- Year built: 2011
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: June 14, 2011
- Certificate issued: June 13, 2011
- Last registry action: January 22, 2023
- Mode S code: A55AED
- Owner when cancelled: [Horizon Air Industries Inc](https://openairdocs.org/faa-owner/HORIZON%20AIR%20INDUSTRIES%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.4466° N, 122.2721° W: Placed by OpenAirDocs at the center of ZIP code 98188, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N444QX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=444QX
- Page: https://openairdocs.org/deregistered/N444QX-2024-03-06

From the FAA registry file of November 7, 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 (79, newest 50)

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

- [SDR QXEA2022112900329](https://openairdocs.org/sdr/QXEA2022112900329), Nov 27, 2022: CIRCUIT BREAKER. MALFUNCTIONED. ENG ADPT HEAT 2 CAUTION LIGHT ILLUMINATED IN CRUISE. INTK LIP HTR ENG 2 CIRCUIT BREAKER POPPED. DIVERTED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REF W/O 3262
- [SDR QXEA2022112100325](https://openairdocs.org/sdr/QXEA2022112100325), Nov 20, 2022: SPRING. BROKEN. LEFT MAIN GEAR SPRING IS BROKEN ( LANDING GEAR RETRACTION SYSTEM ). REMOVED FROM SERVICE. R&R BROKEN IB L/H MLG STABILIZER BRACE LOCK SPRING IAW AMM TASK 32-11-
- [SDR QXEA2022082900279](https://openairdocs.org/sdr/QXEA2022082900279), Aug 26, 2022: ACM. INOPERATIVE. DURING FLIGHT CABIN PACK HOT CAUTION ILLUMINATED WHILE TRYING TO INCREASE CABIN TEMP. AT THE TIME OF ILLUMINATION , CABIN DUCT TEMP WAS INCREASINGLY DRASTICALLY
- [SDR QXEA2022051700199](https://openairdocs.org/sdr/QXEA2022051700199), May 17, 2022: CARPET. WORN. FA REPORTS THAT RUBBER FLOORING IN FORWARD GALLEY BY MCD IS COMING UP CAUSING A TRIP HAZARD. REMOVED FROM SERVICE. FLOORING MAT AT FWD GALLEY RESECURED. NO FURT
- [SDR QXEA2022040800143](https://openairdocs.org/sdr/QXEA2022040800143), Apr 7, 2022: LIGHT. INOPERATIVE. F/A EMERGENCY LIGHT NOT ILLUMINATING IN NORMAL POSITION. REMOVED FROM SERVICE. RE-LAMPED FA EMERGENCY LIGHT AS REQUIRED. NO FURTHER DEFECTS NOTED. RETURNED TO S
- [SDR QXEA2022030100098](https://openairdocs.org/sdr/QXEA2022030100098), Mar 1, 2022: NONE. NONE. CARPET NEAR FORWARD GALLEY HAS LOTS OF LOOSE STRANDS. TRIPPING HAZARD. REMOVED FROM SERVICE. INSPECTED AND FOUND SOME LOOSE STRANDS OF CARPET NEAR SEAT ROW 2. R
- [SDR QXEA2022010500014](https://openairdocs.org/sdr/QXEA2022010500014), Jan 2, 2022: NONE. NONE. RUBBER FLOORING IN FRONT OF FRONT GALLEY IS PEELING UP CAUSING TRIPPING HAZARD. REMOVED FROM SERVICE. PERMANENTLY RESECURED RUBBER FLOORING IN FRONT OF FWD GALL
- [SDR QXEA2022010300004](https://openairdocs.org/sdr/QXEA2022010300004), Jan 2, 2022: NONE. INOPERATIVE. INITIAL CLIMB PSC A/C DID NOT PRESSURIZE.SLOWED RATE OF CLIMB AND REQUESTED 10,000 FEET FOR MORE CHECKLIST TIME.VERIFIED ALL SETTINGS CORRECT IAW EMERGENCY CHEC
- [SDR QXEA2021081000400](https://openairdocs.org/sdr/QXEA2021081000400), Aug 10, 2021: WARNING LIGHT. FALSE ACTIVATION. WHILE PERFORMING ACCELERATION HEIGHT FLOW AND TURNING OFF AUTOFEATHER, NOTICED BRIEF ILLUMINATION OF MASTER CAUTION PRESS TO RESET SWITCH. NO CHIME, DID NOT NOT
- [SDR QXEA2021072000370](https://openairdocs.org/sdr/QXEA2021072000370), Jul 20, 2021: VALVE. MALFUNCTIONED. DURING CLIMB, DEICE PRESS CAUTION ILLUMINATED. COMPLETED E&A CHECKLIST AND LIGHT EXTINGUISHED. 2-3 MIN LATER DEICE PRESS ILLUMINATED AGAIN. E&A CHECKLIST COMPLE
- [SDR QXEA2021062100297](https://openairdocs.org/sdr/QXEA2021062100297), Jun 19, 2021: BUMPER. WORN. MAIN CABIN DOOR STOP BUMPER DISINTEGRATED. REMOVED FROM SERVICE. REMOVED AND REPLACED MCD HANDLE BUMPER STOP REF. Q400 AMM 52-11-11-000/400-801. NO ADJUSTMENTS 
- [SDR QXEA2021060300278](https://openairdocs.org/sdr/QXEA2021060300278), Jun 2, 2021: OIL SYSTEM. LOW. DURING TAKEOFF, WE NOTICED #1 ENGINE OIL PRESSURE WAS FLUCTUATING FROM 71-73 PSI. THESE FLUCTUATIONS WERE MOMENTARY. THIS CONTINUED OCCASIONALLY UNTIL CRUISE. P
- [SDR QXEA2021051600238](https://openairdocs.org/sdr/QXEA2021051600238), May 16, 2021: RELAY. FAULTED. ENG ADPT HEAT 2 CAUTION ILLUMINATED EN ROUTE. ICE PROTECTION WAS ON FOR 10 MIN BEFORE CAUTION ILLUMINATED. FL250 AT -22C. RETURNED TO FIELD LANDING UNEVENTFUL. 
- [SDR QXEA2021041200183](https://openairdocs.org/sdr/QXEA2021041200183), Apr 11, 2021: CONTROL UNIT. INOPERATIVE. PITCH TRIM MASTER CAUTION IN-FLIGHT PREFORMED E&A CHECKLIST AND RETURNED TO FIELD. ALL LANDING PARAMETERS NORMAL. REMOVED FROM SERVICE. CDS FAULTS - FCECU FAILU
- [SDR QXEA2021021100060](https://openairdocs.org/sdr/QXEA2021021100060), Feb 9, 2021: SEAL. DAMAGED. SHORTLY AFTER T/O AT AROUND 10,000FT THE CREW STARTS TO HEAR A HIGH PITCH SQUEAL AND THATS WHEN IN THE FLIGHT DECK WE LOOKED UP AND SAW THE CABIN WAS NOT PRESSU
- [SDR QXEA2021012200022](https://openairdocs.org/sdr/QXEA2021012200022), Jan 22, 2021: BLEED VALVE. MALFUNCTIONED. AT 1500 AGI ON CLIMBOUT NR 2 ENGINE FADEC CAUTION ILLUMINATED ALONG WITH POWERPLANT MESSAGE AT BOTTOM OF ED. EMERGENCY DECLARED. RETURNED TO FIELD, LANDING UNEV
- [SDR QXEA2021011700010](https://openairdocs.org/sdr/QXEA2021011700010), Jan 14, 2021: GENERATOR. MALFUNCTIONED. AFTER TAKEOFF, NR 2 AC GEN CAUTION LIGHT ILLUMINATED. E & A CHECKLIST RESET PROCEDURE DID NOT EXTINGUISH THE LIGHT. REMOVED FROM SERVICE. REPLACED NR 2 AC GEN, 
- [SDR QXEA2020120100331](https://openairdocs.org/sdr/QXEA2020120100331), Nov 30, 2020: BOTTLE. CRACKED. NACELLE HIGH RATE FIRE BOTTLE AFT DISCHARGE TUBE CRACKED. REMOVED AND INSTALLED SERVICEABLE TUBE PN 82620125-001, IAW Q400 AMM TASK 26-21-01-400-801 PARA 4B STE
- [SDR QXEA2020082400259](https://openairdocs.org/sdr/QXEA2020082400259), Aug 23, 2020: WARNING LIGHT. FALSE ACTIVATION. FLAP POWER CAUTION ILLUMINATED WHEN FLAPS WERE SELECTED FROM 15-35 DEGREE. ACCOMPLISHED E/A CHECKLIST FLAP POWER CAUTION ILLUMINATED AGAIN. LANDING UNEVENTFUL. 
- [SDR QXEA2020070700201](https://openairdocs.org/sdr/QXEA2020070700201), Jul 7, 2020: PCU. INOPERATIVE. NR 2 PROP DID NOT COMPLETELY FEATHER DURING SHUTDOWN. REMOVED FROM SERVICE. PERFORMED FEATHER CHECK OF NR 2 ENGINE PER AMM TASK 71-00-00-868-819 AND FUNCTIONAL 
- [SDR QXEA2020031800141](https://openairdocs.org/sdr/QXEA2020031800141), Mar 17, 2020: STRIP. LOOSE. FWD FLOOR STRIP ON LEFT SIDE PEELING BACK. REMOVED FROM SERVICE. RE-SECURED STRIP WITH CARPET TAPE. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2020031700138](https://openairdocs.org/sdr/QXEA2020031700138), Mar 16, 2020: HINGE. MALFUNCTIONED. FA A FLIGHTLIGHT COMPARTMENT NOT SPRINGING CLOSED, BELOW A JUMPSEAT. REMOVED FROM SERVICE. R+R DOOR CLOSE SPRINGS AND HINGES ON FWD FA SEAT EMER EQUIPT DOOR WIT
- [SDR QXEA2020021800109](https://openairdocs.org/sdr/QXEA2020021800109), Feb 17, 2020: LIGHT. DETACHED. PHOTO LUMINESCENT STRIP IN FRONT OF ROW 1 DETACHED. REMOVED FROM SERVICE. REINSTALLED FLOOR STRIP AND SECURED. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERV
- [SDR QXEA2020012100039](https://openairdocs.org/sdr/QXEA2020012100039), Jan 20, 2020: LIGHT. DETACHED. EMERGENCY EXIT LIGHTING STRIP IN FWD ENTRY DETACHED FROM FLOOR. REMOVED FROM SERVICE. RE-SECURED FLOOR PATH LIGHTING AT 1A. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA2019100700377](https://openairdocs.org/sdr/QXEA2019100700377), Oct 6, 2019: POWER UNIT. INOPERATIVE. UPON SETTING FLAPS 15 DEG ON APPROACH FLAP DRIVE CAUTION ILLUMINATED WHEN FLAPS REACHED 15 DEG FLAP DRIVE CAUTION CHECK LIST COMPLETED FLAP 15 DEG LANDING ACCOM
- [SDR QXEA2019061200246](https://openairdocs.org/sdr/QXEA2019061200246), Jun 3, 2019: DOUBLER. CORRODED. LAV SERVICE PORT INTERNAL DOUBLER CORRODED. REPLACED LAV SERVICE PORT INTERNAL DOUBLER IAW SRM 51-42-05 AND 51-40-15. REPAIRED FRAME FLANGE COMMON TO THE SKIN A
- [SDR QXEA2018031800126](https://openairdocs.org/sdr/QXEA2018031800126), Mar 13, 2019: SWITCH. MALFUNCTIONED. TESTED NR 1 PROPELLER ALTERNATE FEATHER SWITCH ON PROP CONTROL PANEL USING CDS AND ARCDU IAW AMM 61-20-41-710-801. FOUND CHANNEL 1A TO OPERATE NOTMALLY BUT CHAN
- [SDR QXEA2019031300115](https://openairdocs.org/sdr/QXEA2019031300115), Mar 12, 2019: WARNING SYSTEM. ACTIVATED. NR 1 PROP SPEEC 1070 WITH ASSOICATED NR 1 PEC CAUTION AND POWERPLANT MESSAGE. SHUTDOWN ENGINE IN FLIGHT AND RETURND TO FIELD. LANDING UNEVENTFUL, NOT OVERWEIGHT
- [SDR QXEA2019030400099](https://openairdocs.org/sdr/QXEA2019030400099), Mar 4, 2019: WARNING SYSTEM. FALSE ACTIVATION. CLIMB OUT OF FL180 WE GOT INTERMITTENT FUSELAGE DOOR MASTER WARNING. RAN CHECKLIST AND DIVERTED TO GEG. DESCENDING OUT OF 180 LIGHT STAYED OFF. DOOR SHOWING OPE
- [SDR QXEA2019022500089](https://openairdocs.org/sdr/QXEA2019022500089), Feb 23, 2019: LAMP. INOPERATIVE. FLIGHT ATTENDANT EMER LIGHTING SWITCH NEXT TO MAIN CABIN DOOR TOP OF SWITCH GREEN NORMAL ILLUMINATION INOP. REMOVED FROM SERVICE. RELAMPED F/A EMER LIGHT SWITCH
- [SDR QXEA2019010300003](https://openairdocs.org/sdr/QXEA2019010300003), Jan 2, 2019: DEAD BOLT. DIRTY. FLIGHT DECK DOOR LOCKING MECHANISM GRINDS HARD TO OPEN DOOR WITHOUT PRYING WITH TWO HANDS. REMOVED FROM SERVICE. CLEANED DEADBOLT, NO FURTHER DEFECTS FOUND. AIR
- [SDR QXEA2018121900457](https://openairdocs.org/sdr/QXEA2018121900457), Dec 11, 2018: LENS. BROKEN. RIGHT HAND EXTERNAL FORWARD EMERGENCY EXIT LIGHT LENS BROKEN. REPLACED LENS IAW AMM 33-51-11.
- [SDR QXEA2018111500418](https://openairdocs.org/sdr/QXEA2018111500418), Nov 15, 2018: WIRE HARNESS. DAMAGED. PROP DEICE CAUTION ILLUMINATED DURING CRUISE. CYCLED PER E/A CHECKLIST, CAME ON AGAIN. RAN GROUND RESET ON GROUND UNSUCCESSFULLY. AIR TURN BACK. LANDING UNEVENT
- [SDR QXEA2018082300303](https://openairdocs.org/sdr/QXEA2018082300303), Aug 23, 2018: SWITCH. INOPERATIVE. CREW REPORTS AUTOFEATHER SELECT SWITCH WILL NOT LATCH. REMOVED FROM SERVICE. REPLACED SELECT SWITCH PER AMM TASKS 31-10-01-000-802 & 31-10-01-400-802 OPS CK OF 
- [SDR QXEA2018053000204](https://openairdocs.org/sdr/QXEA2018053000204), May 30, 2018: WIRE HARNESS. SHORTED. PROPELLER DE-ICE CAUTION APPEARED INTERMITTENTLY DURING FLIGHT. APPEARED TO BE ASSSOCIATED WITH THE LT SIDE. DIVERTED. LANDING UNEVENTFUL, AND REMOVED FROM SERV
- [SDR QXEA2018031300086](https://openairdocs.org/sdr/QXEA2018031300086), Mar 13, 2018: SERVO. NOISE. BINDING OR NOISE FROM AILERON AUTOPILOT SERVO. DISCONNECTED BRIDLE CABLES FROM AILERON SERVO TO AILERON PULLEY. AILERON POPPING NOISE AND BUMP IN YOKE TRAVEL ST
- [SDR QXEA2017032200162](https://openairdocs.org/sdr/QXEA2017032200162), Mar 17, 2017: BOLT. FAILED. FLIGHT ATTENDENT REPORTED DURING CRUISE THAT THE GALLEY SERVICE DOOR HANDLE HAD FLOPPED INBOARD. THE DOOR SYNOPTIC PAGE SHOWED THE DOOR TO BE CLOSED AND THERE W
- [SDR QXEA2017030800111](https://openairdocs.org/sdr/QXEA2017030800111), Mar 5, 2017: SHAFT. LACK OF LUBE. AFT GALLEY SERVICE DOOR DIFFICULT TO OPEN. CLEAN AND LUBED DOOR HANDLE SHAFT AND ROLLERS. C/W OPS CHECK OF SERVICE DOOR IAW Q400 MM 52-41-00-710-801. OPS CHECK 
- [SDR QXEA2017011200008](https://openairdocs.org/sdr/QXEA2017011200008), Jan 9, 2017: ROPE. EXPOSED. CORD/ROPE SHOWING FROM FRONT LEFT LOWER CORNER OF EMERGENCY EXIT DOOR AT ROW 2. RE-ADJUSTED CORD / ROPE REF AMM 52-22-00-000-801/400-801. CORD / ROPE NO LONGER 
- [SDR QXEA2016081400537](https://openairdocs.org/sdr/QXEA2016081400537), Aug 14, 2016: APU. MALFUNCTIONED. APU FAILED TO START. FUEL DRIPPING AND STRONG FUEL ODOR. PERFORMED OPERATIONAL TEST OF APU IAW AMM 49-00-00-710-801 SEVERAL TIMES WITH NO DEFECTS. COULD NOT DUP
- [SDR QXEA2016072900469](https://openairdocs.org/sdr/QXEA2016072900469), Jul 24, 2016: PANEL. DAMAGED. WING TO FUSELAGE PANEL 262HT DAMAGED. REMOVED AND REPLACED IAW SRM 51-42-05 REPAIR-01, AND DWG 85700005 REV-A.
- [SDR QXEA2016072900474](https://openairdocs.org/sdr/QXEA2016072900474), Jul 21, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00, AND DWG 85328201 REV E.
- [SDR QXEA2016072900472](https://openairdocs.org/sdr/QXEA2016072900472), Jul 21, 2016: FRAME. CORRODED. FRAME BS 116 HAS EVIDENCE OF SURFACE CORROSION, STRINGER 31L. REMOVED CORROSION IAW SRM 53-00-00 REPAIR -09 PARA 6A 6B. C/W ET AND UT INSPECTION IAW NDTM 51-00-
- [SDR QXEA2016072900473](https://openairdocs.org/sdr/QXEA2016072900473), Jul 20, 2016: STRINGER. CORRODED. STRINGER 31R, HAS EVIDENCE OF SURFACE CORROSION, BS 216 - 236. REMOVED CORROSION IAW SRM 51-21-00 -02 PARA 4.A ITEMS 5A THRU 5D. C/W ET AND UT INSPECTION IAW ND
- [SDR QXEA2016072900468](https://openairdocs.org/sdr/QXEA2016072900468), Jul 20, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-00-00-01 AND SRM 51-42-05-02-01.
- [SDR QXEA2016072700466](https://openairdocs.org/sdr/QXEA2016072700466), Jul 20, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-05, AND SRM 51-41-00-00-01.
- [SDR QXEA2016072900471](https://openairdocs.org/sdr/QXEA2016072900471), Jul 19, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-41-05-00-01 & 51-40-15-020-010, AND SRM 51-40-07.
- [SDR QXEA2016072900470](https://openairdocs.org/sdr/QXEA2016072900470), Jul 19, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED BS 361 - 489.5. REMOVED AND REPLACED IAW SRM 51-42-05-020-01, 51-41-00-00-01 & DWG 85361501 REV.D. RESTORED FINISH ON TRACK 7 SRM 51-25-10-0
- [SDR QXEA2016072900475](https://openairdocs.org/sdr/QXEA2016072900475), Jul 18, 2016: SEAT TRACK. CORRODED. SEAT TRACK CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05-02-01, 51-41-00-00-01 & 51-40-15-02-01, AND DWG 85328201 REV E.
- [SDR QXEA2016072700467](https://openairdocs.org/sdr/QXEA2016072700467), Jul 18, 2016: SEAT TRACK. CORRODED. SEAT TRACK NR 8 CORRODED. REMOVED AND REPLACED THE SEAT TRACK IAW SRM 51-42-05, 51-41-00, 51-40-15, AND 51-40-07.

All 79: https://openairdocs.org/deregistered/N444QX-2024-03-06/reports.md

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