# N496US: 1981 Fokker F.28 MK4000, registration cancelled 2013-03-25 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: March 25, 2013 - Status when cancelled: Sale reported, canceled - Airframe: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (registry code 4990810) - Engine: [Rolls-Royce SPEY-555-15](https://openairdocs.org/engine/rolls-royce-spey-555-15) (registry code 54521) - Data sheets: [TCDS E2EU](https://openairdocs.org/tcds/E2EU) (OpenAirDocs) - Serial number: 11169 - Year built: 1981 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: July 1, 1981 - Last registry action: June 4, 2010 - Mode S code: A62835 - Location: Ikeja, Nigeria - Owner type: Individual - The mark today: https://openairdocs.org/aircraft/N496US - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=496US - Page: https://openairdocs.org/deregistered/N496US-2013-03-25 From the FAA registry file of October 31, 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 (307, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR QXEA0200628](https://openairdocs.org/sdr/QXEA0200628), Apr 13, 2002: ACTUATOR. LEAKING. PDX - EN ROUTE FROM YEG TO SEA, THE UTILITY AND FLIGHT CONTROL HYDRAULIC QUANTITY DROPPED TO ZERO. AIRCRAFT DIVERTED TO PDX. MAINTENANCE INSPECTED THE AIRCRAFT - [SDR QXEA0200629](https://openairdocs.org/sdr/QXEA0200629), Apr 12, 2002: SIGN. INOPERATIVE. SEA-AFT FACING PORTION OF OVERHEAD EXIT SIGN ROW 9 INOPERATIVE. REPLACED OVERHEAD EXIT SIGN AT ROW 9. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0200320](https://openairdocs.org/sdr/QXEA0200320), Feb 23, 2002: FLOAT VALVE. MALFUNCTIONED. PDX- AIR TRAFFIC CONTROL ADVISED ON DEPARTURE FROM FRESNO THAT THREE SEPARATE CALLS WERE MADE, REPORTING THAT FUEL WAS VENTING FROM THE AIRCRAFT. ALL INDICATION - [SDR QXEA0200091](https://openairdocs.org/sdr/QXEA0200091), Feb 2, 2002: DOOR. WORN. PDX - MAIN CABIN DOOR IS HARD TO OPEN FROM OUTSIDE. REPLACED MAIN CABIN DOOR IAW THE FOKKER MAINTENANCE MANUAL. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO - [SDR QXEA020014](https://openairdocs.org/sdr/QXEA020014), Jan 16, 2002: LIGHT. INOPERATIVE. PDX- EMERGENCY EXIT LIGHT ABOVE GALLEY IS OUT. REMOVED AND REPLACED EMERGENCY EXIT LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0200011](https://openairdocs.org/sdr/QXEA0200011), Jan 13, 2002: SIGN. INOPERATIVE. PDX- FORWARD EMERGENCY EXIT LOCATING SIGN ABOVE COCKPIT DOOR HAS BURNED OUT LIGHT BULBS. REMOVED AND REPLACED EMERGENCY EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRC - [SDR QXEA0102034](https://openairdocs.org/sdr/QXEA0102034), Dec 14, 2001: SWITCH. DIRTY. PDX- FLIGHT ATTENDANT REPORTS DIFFICULTY RAISING AND LOWERING MAIN CABIN DOOR. CLEANED MAIN CABIN DOOR HANDLE MICROSWITCH. NO PARTS REPLACED. OPERATIONAL CHECKS - [SDR QXEA0101609](https://openairdocs.org/sdr/QXEA0101609), Oct 3, 2001: CIRCUIT BOARD. FAULTY. GEG- EXIT SIGN ABOVE COCKPIT ENTRANCE HAS SEVERAL BULBS INOPERATIVE. REMOVED AND REPLACED CIRCUIT BOARD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0101608](https://openairdocs.org/sdr/QXEA0101608), Oct 3, 2001: CIRCUIT BOARD. FAULTY. GEG- FORWARD AND AFT FACING EXIT SIGNS IN CEILING AND MID CABIN ARE INOPERATIVE. REMOVED AND REPLACED FORWARD AND AFT CIRCUIT BOARDS. OPERATIONAL CHECKS GOOD. A - [SDR QXEA0101593](https://openairdocs.org/sdr/QXEA0101593), Sep 23, 2001: POWER SUPPLY. INOPERATIVE. BOI - EMERGENCY LIGHTING ON SEATS 1B,2B,3B, AND 4B ARE INOPERABLE. REPLACED BATTERY PACK UNDER SEAT 1A. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0101380](https://openairdocs.org/sdr/QXEA0101380), Aug 22, 2001: CIRCUIT BOARD. INOPERATIVE. SEA - EXIT SIGN ABOVE GALLEY HAS INOPERABLE BULBS. REPLACED EXIT SIGN LAMP BOARD. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0101178](https://openairdocs.org/sdr/QXEA0101178), Jul 12, 2001: CIRCUIT BOARD. INOPERATIVE. SEA- FORWARD EMERGENCY EXIT SIGN HAS MANY BULBS INOP. MAINTENANCE REPLACED CIRCUIT CARD FOR EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100784](https://openairdocs.org/sdr/QXEA0100784), May 22, 2001: SIGN. INOPERATIVE. SEA - THE FORWARD EXIT SIGN HAS BURNT BULBS. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100448](https://openairdocs.org/sdr/QXEA0100448), Apr 13, 2001: SIGN. INOPERATIVE. GEG - EMERGENCY EXIT SIGN ABOVE FLIGHT COMPARTMENT DOOR INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100286](https://openairdocs.org/sdr/QXEA0100286), Mar 17, 2001: SIGN. INOPERATIVE. BOI-OVERHEAD EMERGENCY EXIT SIGN ROW 8 HAS SEVERAL 28V LIGHTS INOPERATIVE. REMOVED AND REPLACED OVERHEAD EMERGENCY EXIT SIGN AT ROW 8. OPERATIONAL CHECK GOOD. A - [SDR QXEA0100030](https://openairdocs.org/sdr/QXEA0100030), Jan 22, 2001: SIGN. INOPERATIVE. GTF- EMERGENCY EXIT SIGN MID CABIN FORWARD SIDE INOPERATIVE. REMOVED AND REPLACED OVERHEAD EMERGENCY EXIT SIGN. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SER - [SDR QXEA0002735](https://openairdocs.org/sdr/QXEA0002735), Sep 29, 2000: BRACKET. CORRODED. PDX - NR 2 SIDE STAY BRACKET HAS PITTING CORROSION EXCEEDING MANUFACTORS LIMITS. BLENDED OUT CORROSION, CLEANED AND TREATED AREA. OPERATIONAL AND INSPECTION CHE - [SDR QXEA0002734](https://openairdocs.org/sdr/QXEA0002734), Sep 28, 2000: SIGN. INOPERATIVE. PDX - OVERHEAD EXIT SIGN AT ROW 8 FOUND INOPERATIVE. REMOVED AND REPLACED AFT EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0002556](https://openairdocs.org/sdr/QXEA0002556), Sep 18, 2000: SIGN. INOPERATIVE. BOI - EMERGENCY EXIT LIGHT AT ROW 12 SEAT B INOPERATIVE. REMOVED AND REPLACED SIGN ASSEMBLY. OPERATIONAL CHECKS GOOD, AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0001727](https://openairdocs.org/sdr/QXEA0001727), Jun 16, 2000: FRAME. CRACKED. PDX- CASTELLATION CRACK AT FRAME 20077 AND STRINGER 40. REPAIRED IAW HORIZON AIR EA 4-53-1235 AND FOKKER SRM 53-02-13. - [SDR QXEA0001738](https://openairdocs.org/sdr/QXEA0001738), Jun 15, 2000: STRUCTURE. CRACKED. PDX- THERE IS A CRACK JUST AFT OF AUXILLARY POWER UNIT INTAKE DOOR OUTBOARD AFT CORNER. REPAIRED IAW FOKKER SRM 53-01-01, PAGE 8, PARAGRAPH A3 AND SRM 51-10-4. - [SDR QXEA0001737](https://openairdocs.org/sdr/QXEA0001737), Jun 14, 2000: SKIN. DAMAGED. PDX- ELONGATED/OVERSIZED HOLE AT FUSELAGE SKIN AT FRAME 20077 AND STRINGER 39 - 40. REPAIRED IAW HORIZON AIR EA 4-53-1232. - [SDR QXEA0001773](https://openairdocs.org/sdr/QXEA0001773), Jun 13, 2000: FRAME. CORRODED. PDX- FRAME 16660 CORRODED AT NUT PLATES FROM STRINGER 73 TO STRINGER 4. REPAIRED IAW FOKKER SRM 51-10-04, SRM 53-01-01, PAGE 8, PARAGRAPH C. - [SDR QXEA0001696](https://openairdocs.org/sdr/QXEA0001696), Jun 13, 2000: SKIN. DAMAGED. PDX- AFT FUSELAGE BELLY SKIN HAS A HOLE FORWARD OF FRAME 13815A BETWEEN STRINGER 1 AND 74. ALSO NOTED CORROSION AROUND HOLE. REPAIRED IAW FOKKER SRM 51-31-01 AN - [SDR QXEA0001695](https://openairdocs.org/sdr/QXEA0001695), Jun 13, 2000: FRAME. GOUGED. PDX- FUSELAGE FRAME 16660 HAS A GOUGE BETWEEN STRINGERS 6 AND 7, TOP SIDE AFT EDGE. REPAIRED IAW HORIZON AIR EA 4-53-1234. - [SDR QXEA0001679](https://openairdocs.org/sdr/QXEA0001679), Jun 13, 2000: RIVET. CRACKED. PDX- CRACK ON RIVET HEAD AT STRINGER 69A AND STATION 158.378. REPAIRED IAW FOKKER SRM 53-02-05, FIGURE 2 AND SRM 51-31-02. - [SDR QXEA0001669](https://openairdocs.org/sdr/QXEA0001669), Jun 13, 2000: SKIN. DENTED. PDX- SCRATCH AND DENT AT STATION 307, AFT OF RIGHT HAND STATIC PORTS. REPAIRED IAW FOKKER SRM 53-02-03, PAGE 2, SRM 51-31-01. - [SDR QXEA0001772](https://openairdocs.org/sdr/QXEA0001772), Jun 12, 2000: FRAME. CORRODED. PDX- FRAME 13815B IS CORRODED AT NUT PLATES ABOVE STRINGER 74. REPAIRED IAW FOKKER SRM 51-31-01, SRM 51-01-01, AND SRM 53-01-07. - [SDR QXEA0001736](https://openairdocs.org/sdr/QXEA0001736), Jun 12, 2000: FRAME. CRACKED. PDX- FRAME CASTELLATION CRACKED AT FRAME 19976 AND STRINGER 37. REPAIRED IAW FOKKER 51-31-01, AND SRM 53-10-05, PAGE 601A. - [SDR QXEA0001725](https://openairdocs.org/sdr/QXEA0001725), Jun 12, 2000: SKIN. DENTED. PDX- DENT IN FUSELAGE SKIN AT FRAME 5805 AND STRINGER 17. REPAIRED IAW HORIZON AIR EA 4-53-1231. - [SDR QXEA0001694](https://openairdocs.org/sdr/QXEA0001694), Jun 12, 2000: FRAME. CORRODED. PDX- FRAME 14755 TOP CAP BOTTOM SURFACE HAS CORROSION AROUND NUT PLATE HOLES ABOVE STRINGER 3, BETWEEN STRINGER 1 AND 2 AND STRINGER 72 AND 73. REPAIRED IAW FOK - [SDR QXEA0001677](https://openairdocs.org/sdr/QXEA0001677), Jun 12, 2000: NUT PLATE. CORRODED. PDX- FRAME 13815A AT STRINGER 4 AND 74 HAVE CORRODING NUT PLATES. REPAIRED IAW FOKKER SRM 51-10-04, PARAGRAPH 4 B2 AND 4C AND SRM 51-31-01. - [SDR QXEA0001673](https://openairdocs.org/sdr/QXEA0001673), Jun 12, 2000: STRINGER CLIP. CORRODED. PDX- FRAME 14755 AT STRINGER 73 CLIP IS CORRODING WHERE PAINT IS BUBBLED. REPAIRED IAW FOKKER SRM 51-10-04, PARAGRAPH 4B-C AND SRM 53-01-01. - [SDR QXEA0001527](https://openairdocs.org/sdr/QXEA0001527), Jun 12, 2000: SKIN. CRACKED. PDX- A .25 INCH CRACK IN SKIN ACROSS RIVET BETWEEN FRAMES 19976 AND 20077 AND BETWEEN STRINGERS 36 AND 37. REPAIRED IAW HORIZON AIR EA 4-53-1202. - [SDR QXEA0001724](https://openairdocs.org/sdr/QXEA0001724), Jun 11, 2000: STRINGER CLIP. CRACKED. PDX- CLIP CRACKED AT FRAME 5805 AND STRINGER 20. REPAIRED IAW FOKKER SRM 51-31-01 AND SRM 53-02-13, PAGE 4, FIGURE 2. - [SDR QXEA0001688](https://openairdocs.org/sdr/QXEA0001688), Jun 11, 2000: STRUCTURE. DENTED. PDX- AFT CARGO DOOR APERTURE IS DENTED ABOVE LOWER RADIUS. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0001659](https://openairdocs.org/sdr/QXEA0001659), Jun 11, 2000: FRAME. CRACKED. PDX- CRACKED CASTELLATION IN FRAME 3050 ABOVE STRINGER 17. REPAIRED IAW FOKKER SRM 53-02-13 AND SRM 51-31-01. - [SDR QXEA0001658](https://openairdocs.org/sdr/QXEA0001658), Jun 11, 2000: FRAME. CRACKED. PDX- CRACKED CASTELLATION ON FRAME 1890 ABOVE STRINGER 17. REPAIRED IAW FOKKER SRM 53-02-13, FIGURE 2, PAGE 4, SRM 51-31-01, AND SRM 51-31-02. - [SDR QXEA0001533](https://openairdocs.org/sdr/QXEA0001533), Jun 11, 2000: SKIN. DAMAGED. PDX- RIGHT HAND WING UPPER SKIN PANEL AT WS 1825 AND FS 11905 JUST FORWARD OF NR 1 LIFT DUMPER PANEL HAS LOOSE AND WORKING RIVETS. REPAIRED IAW HORIZON AIR EA 4 - [SDR QXEA0001757](https://openairdocs.org/sdr/QXEA0001757), Jun 10, 2000: FRAME. DENTED. PDX- DENT IN FUSELAGE AT FRAME 5805 AND STRINGER 17. REPAIRED IAW HORIZON AIR EA 4-53-1196. - [SDR QXEA0001770](https://openairdocs.org/sdr/QXEA0001770), Jun 10, 2000: FRAME. CORRODED. PDX- FRAME 14755 CORRODED AT NUT PLATES FROM STRINGER 70 TO STRINGER 5. REPAIRED IAW HORIZON AIR EA 4-53-1222 AND FOKKER SRM 51-10-04 AND SRM 51-31-01. - [SDR QXEA0001769](https://openairdocs.org/sdr/QXEA0001769), Jun 10, 2000: SKIN. DAMAGED. PDX- FORWARD CARGO DOOR HAS IMPACT DAMAGE ON THE FORWARD CORNER NEXT TO HINGE. REPAIRED IAW HORIZON AIR EA 4-52-371. - [SDR QXEA0001729](https://openairdocs.org/sdr/QXEA0001729), Jun 10, 2000: FRAME. CRACKED. PDX- CASTELLATION CRACKED AT FRAME 50-2 AT STRINGER 48. REPAIRED IAW FOKKER SRM 53-10-13, PAGE 5 AND SRM 51-30-02 AND SRM 51-10-4. - [SDR QXEA0001747](https://openairdocs.org/sdr/QXEA0001747), Jun 10, 2000: PANEL. CORRODED. PDX- FRETTING CORROSION ON WAFFLE DOUBLER UNDER RIGHT HAND UPPER SKIN PANEL AT WS 1825 AND FS 11905. REPAIRED IAW FOKKER SRM 57-01-01, PAGE 5 AND SRM 51-10-04. - [SDR QXEA0001746](https://openairdocs.org/sdr/QXEA0001746), Jun 10, 2000: PANEL. CORRODED. PDX- FRETTING CORROSION ON MATING SURFACE TO AFT INBOARD CORNER OF RIGHT HAND UPPER WING PANEL AT WS 1825 AND WS 11905. REPAIRED IAW FOKKER SRM 57-01-01, PAGE 5 - [SDR QXEA0001734](https://openairdocs.org/sdr/QXEA0001734), Jun 10, 2000: FRAME. CRACKED. PDX- TWO CRACKS AT FRAME 41-2 AFT SIDE AT STRINGER 31. REPAIRED IAW FOKKER 53-02-13, PAGE 5 AND SRM 51-30-02 AND SRM 51-31-01. - [SDR QXEA0001726](https://openairdocs.org/sdr/QXEA0001726), Jun 10, 2000: FLOOR SUPPORT. DAMAGED. PDX- FLOOR PANEL RECEPTICAL IS DAMAGED AT FLOOR PANEL 37AL. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0001723](https://openairdocs.org/sdr/QXEA0001723), Jun 10, 2000: BRACKET. CRACKED. PDX- CRACKED VERTICAL WALL BRACKET ON REAR PRESSURE BULKHEAD OUTBOARD OF BL 1050L BETWEEN BEAMS VII TO IV. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0001720](https://openairdocs.org/sdr/QXEA0001720), Jun 10, 2000: SKIN. GOUGED. PDX- UPPER AIR TRAFFIC CONTROL ANTENNA FUSELAGE SKIN HAS GOUGE AND SCRATCH AT LEFT HAND SIDE OF COAX HOLES. REPAIRED IAW HORIZON AIR EA 4-53-1221, AND FOKKER SR - [SDR QXEA0001520](https://openairdocs.org/sdr/QXEA0001520), Jun 10, 2000: FRAME. CRACKED. PDX- CRACKED CASTELLATION PAST STOP DRILL AT FRAME 50-2, FORWARD SIDE OF STRINGER 44. REPAIRED IAW FOKKER SRM 53-10-5. All 307: https://openairdocs.org/deregistered/N496US-2013-03-25/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 20000307003799I](https://openairdocs.org/incident/20000307003799I), Mar 7, 2000: Fokker F28MK4000 (N496US), Spokane, WA. Number one engine fire warning activated on lcimbout 2 mintues after takeoff. Engine fire and shutdown procedures were followed. The engine fire indication… --- 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.