# N492US: 1980 Fokker F.28 MK4000, registration cancelled 2004-11-09 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: November 9, 2004 - Exported to: Ecuador - 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: 11159 - Year built: 1980 - Type of aircraft: Fixed wing multi engine - Certificate issued: October 7, 1998 - Last registry action: October 19, 2004 - Mode S code: A61959 - 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/N492US - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=492US - Page: https://openairdocs.org/deregistered/N492US-2004-11-09 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 (333, newest 50) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR QXEA0300275](https://openairdocs.org/sdr/QXEA0300275), Feb 12, 2003: POWER SUPPLY. FAILED. PDX- EMERGENCY EGRESS LIGHTS AT ROW 5, 6 AND 8 ARE INOPERATIVE. REMOVED AND REPLACED BATTERY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0300254](https://openairdocs.org/sdr/QXEA0300254), Feb 12, 2003: CARTRIDGE. INOPERATIVE. PDX-EMERGENCY EGRESS LIGHTS AT ROWS 5, 6 AND 8 ARE INOPERATIVE. REMOVED AND REPLACED BATTERY CARTRIDGE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0300095](https://openairdocs.org/sdr/QXEA0300095), Jan 12, 2003: ANGLE. CRACKED. PDX- FORWARD PRESSURE BULKHEAD BOTTOM CONNECTION ANGLE HAS A THREE INCH LONG CRACK IN RADIUS, AFT SIDE OF BULKHEAD FS1550 THROUGH THREE INCHES LEFT OF BL0. REPA - [SDR QXEA0300094](https://openairdocs.org/sdr/QXEA0300094), Jan 12, 2003: ANGLE. CRACKED. PDX- FORWARD PRESSURE BULKHEAD BOTTOM CONNECTION ANGLE HAS A THREE INCH LONG CRACK IN RADIUS, AFT SIDE OF BULKHEAD FS1550 THROUGH 3 INCHES LEFT OF BL0. REPAIRED - [SDR QXEA0202271](https://openairdocs.org/sdr/QXEA0202271), Dec 26, 2002: SIGN. INOPERATIVE. BOI- EXIT SIGN AT CABIN ENTRANCE HAS BURNED OUT BULBS. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0202270](https://openairdocs.org/sdr/QXEA0202270), Dec 26, 2002: SIGN. INOPERATIVE. BOI- EXIT SIGN OVER COCKPIT DOOR HAS BURNED OUT LAMPS. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0202193](https://openairdocs.org/sdr/QXEA0202193), Dec 15, 2002: LINE. FAILED. SEA ON FLIGHT 2409- UTILITY SYSTEM HYDRAULIC QUANTITY DROPPED BELOW YELLOW ARC IN FLIGHT. COMPLETED APPLICABLE CHECKLIST. UPON GEAR EXTENSION, GEAR DOOR DID NOT - [SDR QXEA0202176](https://openairdocs.org/sdr/QXEA0202176), Dec 15, 2002: LINE. LEAKING. SEA - FLIGHT 2409 - UTILITY SYSTEM HYDRAULIC QUANTITY DROPPED BELOW THE YELLOW ARC IN FLIGHT. UPON GEAR EXTENTION, THE GEAR DOORS DID NOT RETRACT. CREW COMPLIED - [SDR QXEA0202166](https://openairdocs.org/sdr/QXEA0202166), Dec 12, 2002: SMOKE DETECTOR. MALFUNCTIONED. SEA- LAVATORY SMOKE DETECTOR CHIRPING IN FLIGHT. REMOVED AND REPLACED LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0202165](https://openairdocs.org/sdr/QXEA0202165), Dec 12, 2002: SMOKE DETECTOR. MALFUNCTIONED. BOI- SMOKE DETECTOR IN LAVATORY CHIRPING. PERFORMED LAVATORY SMOKE DETECTOR OPERATIONAL CHECK. NO DEFECTS NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIR - [SDR QXEA0202026](https://openairdocs.org/sdr/QXEA0202026), Nov 27, 2002: APU. FAILED. PDX- SMOKE DETECTOR IN LAVATORY SOUNDING, WITH SLIGHT OIL SMELL IN AFT CABIN. APU STARTED APPROXIMITLY 15-20 MINUTES WITH CABIN HEATING SELECTED ON. ALARM STOPP - [SDR QXEA0201332](https://openairdocs.org/sdr/QXEA0201332), Sep 2, 2002: BATTERY. INOPERATIVE. PDX-AFT LOWER EGRESS LIGHTS WON'T EXTINGUISH. REMOVED AND REPLACED POWER SUPPLY BATTERY FOR AFT LOWER EGRESS LIGHTS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED T - [SDR QXEA0200900](https://openairdocs.org/sdr/QXEA0200900), Jun 20, 2002: SIGN. INOPERATIVE. BOI-EMERGENCY EXIT SIGN LIGHT INOPERATIVE ABOVE COCKPIT ENTRYWAY. REMOVED AND REPLACED EXIT SIGN AT COCKPIT ENTRYWAY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED - [SDR QXEA0200732](https://openairdocs.org/sdr/QXEA0200732), Apr 29, 2002: SIGN. INOPERATIVE. BOI-BOTH MID CABIN EXIT SIGNS HAVE LAMPS INOPERATIVE. REPLACED BOTH EXIT SIGNS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA02002539](https://openairdocs.org/sdr/QXEA02002539), Apr 2, 2002: APU. MALFUNCTIONED. BIL- WHEN ENTERING AIRCRAFT IT WAS FULL OF SMOKE AND THE LAVATORY SMOKE ALARM WAS GOING OFF. APU WAS RUNNING, BOTH DUCT TEMPS IN GREEN ARC. REPLACED APU. GROUND - [SDR QXEA00002](https://openairdocs.org/sdr/QXEA00002), Jan 2, 2002: SIGN. INOPERATIVE. SEA- EMERGENCY EXIT SIGN ABOVE GALLEY INOP IN ARM POSITION. MAINTENANCE FOUND A BROKEN WIRE AT THE EXIT SIGN PLUG. REPLACED EXIT SIGN ASSEMBLY. OPERATIONAL CHEC - [SDR QXEA0102025](https://openairdocs.org/sdr/QXEA0102025), Dec 8, 2001: SMOKE DETECTOR. MALFUNCTIONED. PDX- DURING CLIMB-OUT, LAV SMOKE DETECTOR WENT OFF. NO VISIBLE SMOKE OR FIRE NOTED. AIRCRAFT RETURNED TO FIELD. COMPLIED WITH MTC 8361002. RE-INSTALLED ORIGINAL - [SDR QXEA0101780](https://openairdocs.org/sdr/QXEA0101780), Nov 12, 2001: SIGN. INOPERATIVE. BOI- EXIT LOCATING SIGN ABOVE COCKPIT DOOR HAS 28V BULBS INOP. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0101703](https://openairdocs.org/sdr/QXEA0101703), Oct 28, 2001: BATTERY. INOPERATIVE. PDX - THE AFT EXTERIOR EMERGENCY LIGHTS ARE INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY LOCATED IN THE AFT CARGO AREA. OPERATIONAL CHECK IS GOOD. AIRCRAFT RET - [SDR QXEA0101594](https://openairdocs.org/sdr/QXEA0101594), Sep 27, 2001: SIGN. INOPERATIVE. PDX - BOTH CENTER EMERGENCY EXIT SIGNS HAVE NUMEROUS BULBS BURNED OUT. REMOVED AND REPLACED EXIT SIGNS. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0101177](https://openairdocs.org/sdr/QXEA0101177), Jul 13, 2001: CIRCUIT BOARD. INOPERATIVE. BOI- FORWARD EXIT SIGN HAS 28 VOLT LIGHTS INOP. MAINTENANCE REPLACED CIRCUIT CARD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100938](https://openairdocs.org/sdr/QXEA0100938), Jun 8, 2001: LIGHT. MALFUNCTIONED. SEA- EMERGENCY LIGHT ON SIDE OF SEAT 6B CAME OFF. REMOVED AND REPLACED EVACUATION LIGHT ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100711](https://openairdocs.org/sdr/QXEA0100711), May 15, 2001: SIGN. INOPERATIVE. GEG- BOTH EMERGENCY EXIT SIGNS AT ROW 8 INOPERATIVE. REPLACED BOTH EXIT SIGNS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0100443](https://openairdocs.org/sdr/QXEA0100443), Apr 8, 2001: APU. MALFUNCTIONED. PDX-SMELL OF SMOKE COMING FROM FRESH AIR. NO SMELL FROM DUCTS NOTED. REMOVED AND REPLACED APU. OPERATIONAL AND LEAK CHECKS ARE GOOD. AIRCRAFT RETURNED TO SERVIC - [SDR QXEA0100248](https://openairdocs.org/sdr/QXEA0100248), Mar 1, 2001: CIRCUIT BOARD. FAILED. SEA- EMERGENCY EXIT SIGN ABOVE COCKPIT DOOR HAS SEVERAL INOPERATIVE BULBS. REPLACED LAMP CARD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0003355](https://openairdocs.org/sdr/QXEA0003355), Dec 25, 2000: SIGN. INOPERATIVE. GEG-EMERGENCY EXIT SIGNS INOPERATIVE. REPLACED EMERGENCY EXIT SIGNS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR QXEA0003357](https://openairdocs.org/sdr/QXEA0003357), Dec 16, 2000: BEARING. DAMAGED. PDX- HP SHUTOFF VALVE CONTROL ROD ON NR 2 ENGINE HAS COME APART AT AFT BEARING. REPAIRED IAW F-28 MTC 8761002 AND 8761001. - [SDR QXEA0003288](https://openairdocs.org/sdr/QXEA0003288), Dec 16, 2000: DOOR. LEAKING. PDX- MAIN CABIN DOOR HAS A LEAK AT THE AFT EDGE IN THE CENTER AND THE AFT BOTTOM CORNER IS OUT OF LIMITS WHEN PRESSURIZED. REPAIRED IAW HORIZON AIR EA 4-52-430. - [SDR QXEA0003285](https://openairdocs.org/sdr/QXEA0003285), Dec 16, 2000: HINGE. LEAKING. PDX- CENTER CARGO DOOR LEAKS AT FORWARD AND AFT AREAS OF HINGE AND IS OUT OF FLUSH ALONG ENTIRE AFT EDGE WHEN PRESSURIZED. REPAIRED IAW HORIZON AIR EA 4-52-431 - [SDR QXEA0003276](https://openairdocs.org/sdr/QXEA0003276), Dec 14, 2000: MOUNT. CHAFED. PDX- NR1 ENGINE THRUST STRUT IS RUBBING AGAINST ADEL CLAMP AFT OF PANEL 01J APERTURE. MOVED ADEL CLAMP TO A POINT JUST AFT OF ORIGINAL POSITION. COMPLIED WITH E - [SDR QXEA0003290](https://openairdocs.org/sdr/QXEA0003290), Dec 11, 2000: FITTING. CRACKED. PDX- SUSPECT CRACK AT TOP DEAD CENTER INBOARD FACE OF LOWER RIGHT HAND OUTBOARD LUG. REPAIRED IAW HORIZON AIR EA 4-57-514. - [SDR QXEA0003297](https://openairdocs.org/sdr/QXEA0003297), Dec 10, 2000: PROBE. LEAKING. PDX- LEFT HAND WING TOP TWO HIGH TORQUE SCREWS OUTBOARD OF AFT FUEL PROBE AT STATION 3100 ARE LEAKING FUEL. REPAIRED IAW FOKKER SRM 51-31-01 AND HORIZON AIR EA - [SDR QXEA0003344](https://openairdocs.org/sdr/QXEA0003344), Dec 9, 2000: FRAME. DENTED. PDX- FRAME CASTELLATION AT EDGE OF DENT STATION 5805 AND STRINGER 17A IS BUCKLED. REPAIRED IAW HORIZON AIR EA 4-53-1428. - [SDR QXEA0003305](https://openairdocs.org/sdr/QXEA0003305), Dec 8, 2000: ANGLE. CHAFED. PDX- LEFT HAND INBOARD GEAR DOOR AFT ANGLE HAS RIVET AND ANGLE CHAFE DAMAGE. REPAIRED IAW FOKKER SRM 52-80-1, 32-32-14 AND 31-10-07. - [SDR QXEA0003279](https://openairdocs.org/sdr/QXEA0003279), Dec 8, 2000: FITTING. CORRODED. PDX- CRACK IN ATTACHMENT FITTING FOR COCKPIT FLOORBEAM TO FORWARD PRESSURE BULKHEAD AT STATION 880 AND BL330L. REPAIRED IAW HORIZON AIR EA 4-53-1426,4-53-1427,A - [SDR QXEA0003284](https://openairdocs.org/sdr/QXEA0003284), Dec 7, 2000: BULKHEAD. CORRODED. PDX- AFT SIDE OF FORWARD PRESSURE BULKHEAD HAS CORROSION 6 INCHES TO THE RIGHT OF CENTERLINE AT BEAM 3. REPAIRED IAW FOKKER SRM 53-01-01 PAGE 8, 51-31-01 AND 51 - [SDR QXEA0003320](https://openairdocs.org/sdr/QXEA0003320), Dec 6, 2000: STRUCTURE. CORRODED. PDX- LAVATORY DUMP VALVE BOX CORRODED INSIDE. REPAIRED IAW FOKKER SRM 53-02-18, 20-20-2, 51-10-04, 51-30-02 AND 51-31-01. - [SDR QXEA0003289](https://openairdocs.org/sdr/QXEA0003289), Dec 6, 2000: LOCK. BROKEN. PDX- BROKEN LOCK DEVICE ON RUDDER SHANK ALLOWS RUDDER ACTUATOR SECURING BOLT TO ROTATE. REPAIRED IAW FOKKER SRM 55-02-07 PAGE 10. - [SDR QXEA0003318](https://openairdocs.org/sdr/QXEA0003318), Dec 5, 2000: FITTING. CRACKED. PDX- GALLEY FLOOR SUPPORT ATTACH FITTING AT REAR PRESSURE BULKHEAD AT FLOOR LEVEL JUST INBOARD OF BL425R IS CRACKED. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0003317](https://openairdocs.org/sdr/QXEA0003317), Dec 5, 2000: FITTING. TOOL DAMAGE. PDX- UPPER AND LOWER BATHTUB FITTING ON BEAM 3 AT BL425L HAS DRILL MARKS. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0003316](https://openairdocs.org/sdr/QXEA0003316), Dec 5, 2000: FITTING. WRONG PART. PDX- GALLEY FLOOR SUPPORT ATTACH FITTING AT REAR PRESSURE BULKHEAD AT FLOOR LEVEL JUST INBOARD OF BL425L HAS THE WRONG PART. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0003315](https://openairdocs.org/sdr/QXEA0003315), Dec 5, 2000: BULKHEAD. MISDRILLED. PDX- FIGURE EIGHT HOLE IN REAR PRESSURE BULKHEAD BEHIND BEAM 3 FIVE INCHES INBOARD OF BL425R. REPAIRED IAW HORIZON AIR EA 4-53-1418. - [SDR QXEA0003260](https://openairdocs.org/sdr/QXEA0003260), Dec 5, 2000: STRUCTURE. CORRODED. PDX- CORROSION ON LOWER SURFACE OF BELLY FAIRING SUPPORT STRUCTURE AT STATION 15643 TO 16203. REPAIRED IAW FOKKER SRM 51-10-4 AND 53-01-01. - [SDR QXEA0003261](https://openairdocs.org/sdr/QXEA0003261), Dec 5, 2000: STRUCTURE. CORRODED. PDX- CORROSION ON LOWER SURFACE OF BELLY FAIRING SUPPORT STRUCTURE AT STATION 15643 TO 16203. REPAIRED IAW FOKKER SRM 51-10-4 AND 53-01-01. - [SDR QXEA0003191](https://openairdocs.org/sdr/QXEA0003191), Dec 5, 2000: BEAM. CRACKED. PDX- REAR PRESSURE BULKHEAD BEAM 3 LOWER SURFACE HAS A 1/2 INCH CRACK 3 INCHES RIGHT OF CENTER. REPAIRED IAW FOKKER SRM 51-31-01. - [SDR QXEA0003287](https://openairdocs.org/sdr/QXEA0003287), Dec 4, 2000: FLOORBEAM. CORRODED. PDX- CORROSION ON FLOORBEAM IN CABIN BETWEEN FRAME 3870 AND 4850, BL575-640L. REPAIRED IAW FOKKER SRM 51-31-01, 51-10-04 AND 51-10-05. - [SDR QXEA0003364](https://openairdocs.org/sdr/QXEA0003364), Dec 3, 2000: SKIN. DENTED. PDX- LEFT HAND VERTICAL STABILIZER OUTBOARD SKIN DENTED 17 INCHES AFT OF FRONT SPAR AND 12 INCHES AFT OF BEACON RIB 3.4. REPAIRED IAW FOKKER SRM 51-70-0, 55-01- - [SDR QXEA0003347](https://openairdocs.org/sdr/QXEA0003347), Dec 3, 2000: SKIN. DENTED. PDX- RIGHT SIDE VERTICAL STABILIZER SKIN IS DENTED AFT OF FRONT SPAR AND 16 INCHES BELOW RIB 5. REPAIRED IAW HORIZON AIR EA 4-55-269, FOKKER SRM 51-70-0 AND 55- - [SDR QXEA0003223](https://openairdocs.org/sdr/QXEA0003223), Dec 3, 2000: TRACK. CORRODED. PDX- FORWARD SERVICE/EMERGENCY DOOR TRACK IS BENT AND DAMAGED 4 INCHES UP FROM BOTTOM END. REPAIRED IAW FOKKER SRM 51-31-01, 51-30-02 AND 51-31-05. - [SDR QXEA0003363](https://openairdocs.org/sdr/QXEA0003363), Dec 2, 2000: ANGLE. CRACKED. PDX- FORWARD VERTICAL STABILIZER TO FUSELAGE CONNECTION ANGLE HAS CRACKS AT RIGHT OUTBOARD TWO RIVETS. REPAIRED IAW FOKKER SRM 51-31-01, 51-10-04 AND HORIZON AI All 333: https://openairdocs.org/deregistered/N492US-2004-11-09/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 19981006044519I](https://openairdocs.org/incident/19981006044519I), Oct 6, 1998: Fokker F28MK4000 (N492US), Las Vegas, NV. During takeoff roll the pilot took control from the co-pilot as rudder inputs were aparantly reserved. Investigation by maintenance determined that the… --- 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.