# N497US: 1981 Fokker F.28 MK4000, registration cancelled 2003-08-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 1, 2003
- Exported to: Burkina Faso
- Status when cancelled: Triennial form not returned
- Airframe: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (registry code 4990810)
- Serial number: 11173
- Year built: 1981
- Type of aircraft: Fixed wing multi engine
- Certificate issued: December 2, 1998
- Last registry action: December 18, 2001
- Mode S code: A62BEC
- 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/N497US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=497US
- Page: https://openairdocs.org/deregistered/N497US-2003-08-01

From the FAA registry file of October 29, 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 Fokker F.28 MK4000: https://openairdocs.org/model/fokker-f-28-mk4000.md

## Service difficulty reports (349, newest 50)

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

- [SDR QXEA200300866](https://openairdocs.org/sdr/QXEA200300866), Jul 21, 2003: BATTERY. FAILED. PDX- LEFT HAND AND RIGHT HAND AFT EVACUATION LIGHTS ARE INOPERATIVE. REPLACED BATTERY POWER SUPPLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0300276](https://openairdocs.org/sdr/QXEA0300276), Feb 14, 2003: SIGN. MALFUNCTIONED. PDX- FORWARD EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0300080](https://openairdocs.org/sdr/QXEA0300080), Jan 14, 2003: APU. FAILED. PDX- CLIMBING THROUGH 10,000 FEET, FLIGHT ATTENDANT REPORTED THAT SMOKE ALARM IN LAVATORY WAS SOUNDING AND THAT SMOKE WAS VISABLE. TURNED OFF APU IN FLIGHT AND 
- [SDR QXEA0300097](https://openairdocs.org/sdr/QXEA0300097), Jan 11, 2003: CHANNEL. CORRODED. PDX- LEFT HAND WING LOWER STATION 2230 RIB 'U' CHANNEL HAS EXFOLIATION CORROSION ON THE INTERIOR INBOARD RADIUS AT STRINGER 2.14 APPROXIMATELY .35 INCHES LONG. 
- [SDR QXEA0300096](https://openairdocs.org/sdr/QXEA0300096), Jan 11, 2003: CHANNEL. CORRODED. PDX- LEFT HAND WING LOWER STATION 2230 RIB 'U' CHANNEL HAS EXFOLIATION CORROSION ON THE INTERIOR AT STRINGER 2.13 APPROXIMATELY .5 INCHES LONG. REPAIRED IAW FOK
- [SDR QXEA0202230](https://openairdocs.org/sdr/QXEA0202230), Dec 19, 2002: SIGN. INOPERATIVE. PDX- MID CABIN EXIT CEILING LIGHT HAS NUMEROUS BULBS INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0202174](https://openairdocs.org/sdr/QXEA0202174), Dec 11, 2002: MECHANISM. LACK OF LUBE. PDX - FLIGHT 2430 - MAIN CABIN DOOR DIFFICULT TO OPERATE IN BOTH DIRECTIONS. OPEN BUTTON DOES NOT RESPOND UNLESS THE DOOR HANDLE IS CYCLED SEVERAL TIMES. MAINTE
- [SDR QXEA0201675](https://openairdocs.org/sdr/QXEA0201675), Sep 20, 2002: CIRCUIT CARD. DEFECTIVE. PDX-EMERGENCY EXIT SIGN OVER COCKPIT ENTRY WAY HAS BULBS BURNT OUT. REMOVED AND REPLACED EMERGENCY EXIT LIGHT CARD. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO
- [SDR QXEA0201231](https://openairdocs.org/sdr/QXEA0201231), Aug 9, 2002: FASTENER. LOOSE. PDX- CLASS THREE FUEL SEEP FROM LEFT HAND NR 5 LIFT DUMPER BELLCRANK FITTING, LOWER SIDE UPPER OUTBOARD HI-LOK. REPAIRED IAW F-28 SRM 28-11-0-5 AND 27-50-5.
- [SDR QXEA0200951](https://openairdocs.org/sdr/QXEA0200951), Jul 10, 2002: CONTROL UNIT. BURNED. BOI-SMOKE IN COCKPIT-ELECTRICAL SMELL. FOUND STRONG BURNT SMELL FROM GENERATOR POWER CONTROL UNIT. NO OTHER DEFECTS NOTED. GROUND RAN ENGINES AND PERFORMED AC G
- [SDR QXEA0200929](https://openairdocs.org/sdr/QXEA0200929), Jul 2, 2002: LIGHT. INOPERATIVE. PDX-ONE COCKPIT EMERGENCY LIGHT UNDER GLARESHIELD ON F/O'S SIDE FAILS TO ILLUMINATE WHEN SELECTED ON. REPLACED 3RD FROM RIGHT EMERGENCY LIGHT ASSEMBLY UNDER GLA
- [SDR QXEA0200909](https://openairdocs.org/sdr/QXEA0200909), Jun 26, 2002: SIGN. INOPERATIVE. SEA-REAR FACING PORTION OF EXIT SIGN IS INOPERATIVE AT EMERGENCY EXIT ROE. REMOVED AND REPLACED EXIT SIGN AT EMERGENCY EXIT ROW. OPERATIONAL CHECK GOOD. AIRCRAF
- [SDR QXEA0200896](https://openairdocs.org/sdr/QXEA0200896), Jun 16, 2002: BULB. BURNED OUT. PDX- MID CABIN CEILING EMERGENCY EXIT SIGN HAS BULBS BURNED OUT. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200862](https://openairdocs.org/sdr/QXEA0200862), Jun 7, 2002: SIGN. INOPERATIVE. PDX- LIGHT OUT ON EXIT SIGN OVER ROW 8. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200858](https://openairdocs.org/sdr/QXEA0200858), May 15, 2002: SKIN. SCRATCHED. PDX- THERE IS A SCRATCH IN THE FUSELAGE SKIN ABOVE THE RIGHT HAND STUBWING. REPAIRED IAW F-28 SRM 53-01-01 PAGE 3.
- [SDR QXEA0200859](https://openairdocs.org/sdr/QXEA0200859), May 2, 2002: STRUCTURE. CHAFED. PDX- SERVICE EMERGENCY DOOR TOP FORWARD CORNER IS CHAFED. REPAIRED IAW F-28 SRM 51-31-01 AND SRM 51-10-05.
- [SDR QXEA0200857](https://openairdocs.org/sdr/QXEA0200857), Apr 11, 2002: MOUNT. CORRODED. PDX- CORROSION ON FORWARD ENGINE MOUNT BEAM NR 2 SIDE. REPAIRED IAW FOKKER 20-20-05 AND 54-40-03, PG 201.
- [SDR QXEA0102129](https://openairdocs.org/sdr/QXEA0102129), Dec 19, 2001: SIGN. INOPERATIVE. SEA- EXIT SIGN ABOVE COCKPIT DOOR HAS BULBS INOPERATIVE. REPLACED LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101690](https://openairdocs.org/sdr/QXEA0101690), Oct 18, 2001: SIGN. INOPERATIVE. BOI- EXIT LOCATING SIGN AT GALLEY ENTRANCE HAS SEVERAL BULBS INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101683](https://openairdocs.org/sdr/QXEA0101683), Oct 17, 2001: SIGN. INOPERATIVE. BOI - EMERGENCY EXIT SIGN IS INOPERABLE AT FORWARD ROW. REMOVED AND REPLACED EMERGENCY EXIT SIGN. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101617](https://openairdocs.org/sdr/QXEA0101617), Oct 11, 2001: PIN. DAMAGED. PDX - ESCAPE PATH LIGHTS ON ROWS 1 THROUGH 4 WILL NOT RESET. REMOVED AND REPLACED CONNECTOR PIN. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101618](https://openairdocs.org/sdr/QXEA0101618), Oct 9, 2001: SPLICE. BROKEN. PDX - ROWS 1, 2, AND 3 EVACUATION LIGHTS STAY ON WITH BATTERY SHUTDOWN. REPAIRED BROKEN SPLICE ON THE ARM WIRE FOR THE FORWARD BATTERY PACK. OPERATIONAL CHECK I
- [SDR QXEA0101517](https://openairdocs.org/sdr/QXEA0101517), Sep 19, 2001: CIRCUIT BOARD. INOPERATIVE. PDX - EMERGENCY EXIT SIGN ABOVE THE COCKPIT DOOR IN GALLEY AREA HAS MULTIPLE LAMPS BUNED OUT. REPLACED CURCUIT BOARD IN EMERGENCY EXIT SIGN. OPERATIONAL CHECK I
- [SDR QXEA0101378](https://openairdocs.org/sdr/QXEA0101378), Aug 19, 2001: SIGN. INOPERATIVE. PDX - NUMBER 3 EMERGENCY EXIT LIGHT IS BURNED OUT. REMOVED AND REPLACED EXIT LIGHT PANEL IAW F-28 MAINTENANCE MANUAL CHAPTER 33-24-00 PAGE 205-206, SECTION 6, P
- [SDR QXEA0101179](https://openairdocs.org/sdr/QXEA0101179), Jul 8, 2001: CIRCUIT BOARD. INOPERATIVE. PDX- EXIT SIGN AT CABIN ENTRY DIM. MAINTENANCE REPLACED SIGN ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101073](https://openairdocs.org/sdr/QXEA0101073), Jun 30, 2001: SWITCH. STUCK. LAX - DURING CLIMB, FLIGHT CREW NOTED HORIZONTAL STABILIZER CHANNEL WARNING LIGHTS ILLUMINATED. FOUND SPRING BOX STICKING SWITCH OUT OF ADJUSTMENT. MADE PROPER 
- [SDR QXEA0100423](https://openairdocs.org/sdr/QXEA0100423), Mar 26, 2001: SELECTOR VALVE. LEAKING. BOI - FLIGHT CREW REPORTED UNSAFE GEAR INDICAION DURING EXTENTION CYCLE UPON APPROACH. CYCLED GEAR, NO CHANGE IN INDICATION. CREW USED ALTERNATE GEAR EXTENTION 
- [SDR QXEA0100382](https://openairdocs.org/sdr/QXEA0100382), Mar 14, 2001: ROD. CRACKED. YYC-LEFT HAND WING STATION 7306 TRAILING EDGE STRUT ROD CRACKED. REPAIRED IAW FOKKER SRM 51-31-05, PAGE 8, 9 AND HORIZON AIR EA 4-57-540.
- [SDR QXEA0100305](https://openairdocs.org/sdr/QXEA0100305), Mar 13, 2001: SKIN. GOUGED. YYC-GOUGED SKIN AT FORWARD LOWER REAR CARGO DOOR APERTURE. REPAIRED IAW FOKKER SRM 52-01-01, PAGE 7 AND SRM 51-10-04.
- [SDR QXEA0100384](https://openairdocs.org/sdr/QXEA0100384), Mar 12, 2001: SKIN. DELAMINATED. YYC-LEFT HAND AILERON TRAILING EDGE HAS 5 DISBONDS FROM OUTBOARD END AT EXITING DOUBLER ON TOP SKIN. REPAIRED IAW FOKKER SRM 51-70-00, PAGE 13 AND SRM 57-50-41,
- [SDR QXEA0100383](https://openairdocs.org/sdr/QXEA0100383), Mar 12, 2001: SKIN. DELAMINATED. YYC-LEFT HAND AILERON TRAILING EDGE HAS DELAMINATION FROM OUTBOARD END AT EXITING DOUBLER. REPAIRED IAW FOKKER SRM 51-70-00, PAGE 14 AND SRM 57-50-41, PAGE 1.
- [SDR QXEA0100379](https://openairdocs.org/sdr/QXEA0100379), Mar 12, 2001: DOUBLER. MISINSTALLED. YYC-RUDDER ACCESS PANEL 57V DOUBLER PLATE WAS INCORRECTLY INSTALLED. REPAIRED IAW FOKKER SRM 51-31-01, PAGE 13, 14.
- [SDR QXEA0100373](https://openairdocs.org/sdr/QXEA0100373), Mar 12, 2001: SKIN. DAMAGED. YYC-FUSELAGE SKIN AFT OF FRAME 32-2 BETWEEN STRINGER 5 & 7 DAMAGED. REPAIRED IAW FOKKER SRM 53-02-02 AND SRM 53-00-00, PAGE 2.
- [SDR QXEA0100338](https://openairdocs.org/sdr/QXEA0100338), Mar 12, 2001: FRAME. CHAFED. YYC-FRAME 41-2 CHAFING ON STRINGER 54. REPAIRED IAW FOKKER SRM 51-10-04, PAGE 7 AND SRM 53-02-01, PAGE 7, AND SRM 51-31-01, PAGE 13, 14.
- [SDR QXEA0100337](https://openairdocs.org/sdr/QXEA0100337), Mar 12, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 22293 AT STRINGER 21A. REPAIRED IAW HORIZON AIR EA 4-53-1458.
- [SDR QXEA0100309](https://openairdocs.org/sdr/QXEA0100309), Mar 12, 2001: POST. IMPROPER. YYC-AFT GALLEY CENTER FREIGHT POST LOWER ATTACHMENT TO FLOOR STRUCTURE IN NON CONFORMANCE, ALSO LOWER END OF FREIGHT POST IS IN CONTACT WITH GUSTLOCK CABLE RUN.
- [SDR QXEA0100372](https://openairdocs.org/sdr/QXEA0100372), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 50-2 AND STRINGER 9. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100371](https://openairdocs.org/sdr/QXEA0100371), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND AT FRAME 32-2 AND STRINGER 11. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100370](https://openairdocs.org/sdr/QXEA0100370), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 32-2 AND STRINGER 66. REPAIRED IAW FOKKER SRM 53-26-01 AND SRM 53-02-13.
- [SDR QXEA0100369](https://openairdocs.org/sdr/QXEA0100369), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 32-2 AND STRINGER 68. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100368](https://openairdocs.org/sdr/QXEA0100368), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 32-2 AND STRINGER 9. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100367](https://openairdocs.org/sdr/QXEA0100367), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 32-2 AND STRINGER 7. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100366](https://openairdocs.org/sdr/QXEA0100366), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 32-2 AND STRINGER 5. REPAIRED IAW FOKKER SRM 53-02-13 AND SRM 53-26-04.
- [SDR QXEA0100365](https://openairdocs.org/sdr/QXEA0100365), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 41-2 AND STRINGER 64. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13.
- [SDR QXEA0100360](https://openairdocs.org/sdr/QXEA0100360), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 41-2 AT STRINGER 44. REPAIRED IAW FOKKER SRM 53-02-13, PAGE 6 AND SRM 51-31-01, PAGE 13, 14, AND SRM 53-10-05, PAGE 601.
- [SDR QXEA0100352](https://openairdocs.org/sdr/QXEA0100352), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 58.5 AT STRINGER 46. REPAIRED IAW FOKKER SRM 53-02-13, SRM 53-10-05, PAGE 601, AND SRM 51-30-02, PAGE 9, 10.
- [SDR QXEA0100351](https://openairdocs.org/sdr/QXEA0100351), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 58.5 AT STRINGER 29. REPAIRED IAW FOKKER SRM 53-02-13, SRM 53-10-05, PAGE 601, AND SRM 51-30-02, PAGE 9, 10.
- [SDR QXEA0100344](https://openairdocs.org/sdr/QXEA0100344), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 20075 AT STRINGER 35. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13, SRM 53-10-05, PAGE 601, AND SRM 51-30-02, PAGE 9, 10.
- [SDR QXEA0100343](https://openairdocs.org/sdr/QXEA0100343), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 20075 AT STRINGER 40. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13, AND SRM 53-10-05, PAGE 601, AND SRM 51-30-02, PAGE 9, 10.
- [SDR QXEA0100342](https://openairdocs.org/sdr/QXEA0100342), Mar 11, 2001: FRAME. CRACKED. YYC-CRACK FOUND ON FRAME 16-2 AT STRINGER 42. REPAIRED IAW FOKKER SRM 53-26-04 AND SRM 53-02-13, AND SRM 53-10-05, PAGE 601.

All 349: https://openairdocs.org/deregistered/N497US-2003-08-01/reports.md

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19900319012569I](https://openairdocs.org/incident/19900319012569I), Mar 19, 1990: Fokker F28MK4000 (N497US), Covington - Cin, OH. Flap disagreement light on approach. Landed flaps up. Found faulty flap asymmetry detector.

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