# N622US: 1979 Boeing 747-251B, registration cancelled 2008-11-24 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: November 24, 2008 - Status when cancelled: Valid registration - Airframe: [Boeing 747-251B](https://openairdocs.org/model/boeing-747-251b) (registry code 1384892) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (OpenAirDocs) - Serial number: 21704 - Year built: 1979 - Type of aircraft: Fixed wing multi engine - Airworthiness: Standard, transport - Airworthiness date: September 24, 1979 - Certificate issued: December 5, 2005 - Last registry action: December 5, 2005 - Mode S code: A81F7E - Owner when cancelled: [Northwest Airlines Inc](https://openairdocs.org/faa-owner/NORTHWEST%20AIRLINES%20INC) - Location: [Minneapolis, MN](https://openairdocs.org/faa-place/MN/Minneapolis) - Owner type: Corporation - Owner's area on the map: 44.8723° N, 93.2328° W: Placed by OpenAirDocs at the center of ZIP code 55450, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N622US - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=622US - Page: https://openairdocs.org/deregistered/N622US-2008-11-24 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 Boeing 747-251B: https://openairdocs.org/model/boeing-747-251b.md ## Service difficulty reports (24) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 0201786622](https://openairdocs.org/sdr/0201786622), Jun 2, 2002: ELECTRICAL BOX. FAILED. DURING CRUISE, SMOKE WAS COMING OUT OF CENTER SEAT IN ROW 37B. SHUT DOWN THE ENTERTAINMENT SYSTEM AND CONTINUED TO HNL AND LANDED WITHOUT INCIDENT. REPLACED SEA - [SDR 0201796622](https://openairdocs.org/sdr/0201796622), Jun 2, 2002: SWITCH. DURING FLIGHT, THE NBR 2 AFT COFFEEMAKER IN THE NBR 3 GALLEY OVERFLOWED AND SPARKS FLAMED OUT NEAR WARMER PAD AND THE CIRCUIT BREAKER POPPED. THE AIRCRAFT CONTI - [SDR 0100646302](https://openairdocs.org/sdr/0100646302), Feb 28, 2001: LIGHT. INOPERATIVE. DURING OVERNIGHT LINE CHECK, MAINTENANCE FOUND EMERGENCY ESCAPE PATH LIGHTING INOPERATIVE AT ROW 51ABC-62ABC. REPLACED THE LIGHT ASSEMBLY AT ROW 61ABC. OPERATIO - [SDR 0004646622](https://openairdocs.org/sdr/0004646622), Dec 26, 2000: SLIDE. INOPERATIVE. DURING SLIDE SHOP TEST, SLIDE FAILED TO DEPLOY IN NORMAL FLAT FIRE TEST. RESERVOIR VALVE HAD TO BE MANUALLY FIRED. INSTALLED MODIFIED RESERVOIR ASSEMBLY WITH -9 - [SDR 0004556622](https://openairdocs.org/sdr/0004556622), Nov 20, 2000: CHORD. CRACKED. During "L" check found crack on the upper chord at the rear engine mount bulkhead NAC station 222 number one pylon. Repaired per EA 66-180413. - [SDR 0003136622](https://openairdocs.org/sdr/0003136622), Aug 28, 2000: GEARBOX. SEIZED. WHILE IN CRUISE FLIGHT AT FL310, THE NR 1 ENGINE FLAMED OUT. A RESTART ATTEMPT WAS UNSUCCESSFUL AND THE FLIGHT DIVERTED TO NRT AFTER DUMPING 60,000 LBS OF FUEL. - [SDR 9902516622](https://openairdocs.org/sdr/9902516622), Apr 5, 1999: SKIN. CRACKED. DURING M CHECK, FOUND SKIN CRACKED BELOW AFT CARGO DOOR FORWARD HINGE PIN RETAINER ON AFT LOWER BOLT HOLE. REPAIRED PER EA 66-163356. - [SDR 9900696622](https://openairdocs.org/sdr/9900696622), Feb 24, 1999: TR UNIT. BURNED. DURING TAXI, THE NR 2 TRANSFORMER RECTIFIER CAUGHT ON FIRE. EXTINGUISHED FIRE WITH FIRE EXTINGUISHER AND TAXIED TO GATE WITHOUT FURTHER INCIDENT. REPLACED THE N - [SDR 9800086622](https://openairdocs.org/sdr/9800086622), Jan 3, 1998: B-NUT. LOOSE. DURING APPROACH, THE NR 1 HYDRAULIC LOW QUANTITY LIGHT ILLUMINATED. AIRCRAFT LANDED WITHOUT INCIDENT AND WAS TOWED TO THE GATE. REPLACED THE HYDRAULIC TRANSMITT - [SDR 9626726302](https://openairdocs.org/sdr/9626726302), Dec 22, 1996: OIL FILTER LIGHT. ILLUMINATED. DURING CRUISE AT FL290, THE NR 4 ENGINE OIL FILTER ADVISORY MESSAGE CAME ON AND WOULD NOT EXTINGUISH AT IDLE THRUST. CREW ELECTED TO SHUTDOWN THE ENGINE AND RET - [SDR 9625336622](https://openairdocs.org/sdr/9625336622), Nov 14, 1996: SEAT TRACK. CORRODED. DURING PERIODIC CHECK, CORROSION WAS FOUND ON THE UPPER SURFACE OF THE OUTBOARD FLANGE OF THE CROWNLESS SEAT TRACK. REPAIRED PER EA 66-120446. - [SDR 9624396622](https://openairdocs.org/sdr/9624396622), Nov 13, 1996: FITTING. CORRODED. DURING P-CHECK, FOUND CORROSION ON THE U-CHANNEL SUPPORT FITTING IN THE LEFT BODY MAIN LANDING GEAR WHEEL WELL FS 1476 ON THE KEEL BEAM TOP PLATE 8 OUTBOARD OF - [SDR 9625346622](https://openairdocs.org/sdr/9625346622), Nov 9, 1996: FLOORBEAM. CORRODED. DURING PERIODIC CHECK, FOUND MAIN DECK FLOOR BEAM CORRODED ON THE UPPER SURFACE OF UPPER CHORD. REPAIRED PER EA 66-120440. - [SDR 9624776622](https://openairdocs.org/sdr/9624776622), Oct 31, 1996: ANGLE. CRACKED. DURING P-CHECK, FOUND A CRACK IN THE 1L MAIN ENTRY DOOR CUTOUT UPPER SILL OUTBOARD ANGLE BS 460. REPAIRED SILL (P/N 65B08301-1) PER EA 66-120437. - [SDR 9614526622](https://openairdocs.org/sdr/9614526622), Jul 2, 1996: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, FOUND LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK GOOD. - [SDR 9604736622](https://openairdocs.org/sdr/9604736622), Feb 24, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY FLOOR PATH LIGHTS INOPERATIVE IN ALL ZONES. REPLACED FIVE BATTERIES AND OPERATIONAL CHECK GOOD. - [SDR 9517786622](https://openairdocs.org/sdr/9517786622), Nov 8, 1995: TR LIGHT. ILLUMINATED. DURING CLIMB, THE NR 1 ENGINE REVERSER UNLOCK LIGHT ILLUMINATED. ACFT DUMPED 90,000 LBS OF FUEL AND FLIGHT DIVERTED TO MSP WHERE THE REVERSER WAS LOCKED OUT AND - [SDR 9517056622](https://openairdocs.org/sdr/9517056622), Oct 31, 1995: FIRE WARNING. ACTIVATED. DURING CLIMB, THE NR 3 ENGINE EXPERIENCED HIGH NACELLE TEMPERATURES FOLLOWED BY A FIRE WARNING. POWER WAS REDUCED TO IDLE AND THE NACELLE TEMPERATURES RETURNED - [SDR 9510256622](https://openairdocs.org/sdr/9510256622), Jul 1, 1995: SEQUENCE VALVE. LEAKING. DURING CLIMB AND GEAR RETRACTION, THE RED GEAR LIGHT REMAINED ILLUMINATED. AIRCRAFT DUMPED APPROXIMATELY 140,000 LBS OF FUEL AND RETURNED TO KIX. UPON INSPECTIO - [SDR 9508686622](https://openairdocs.org/sdr/9508686622), May 27, 1995: START VALVE. FAILED. DURING DESCENT AT FL240, THE NR 3 ENGINE START VALVE LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT CONTINUED TO MSP WHERE AN UNEVENTFUL THREE ENGI - [SDR 9509006622](https://openairdocs.org/sdr/9509006622), May 23, 1995: SPAR WEB. CORRODED. DURING PERIODIC CHECK, FOUND CORROSION ON THE RIGHT WING FRONT SPAR WEB FSSI 556 - 562. REPAIRED PER EA 66-98544. - [SDR 9508406622](https://openairdocs.org/sdr/9508406622), May 19, 1995: CHORD. CORRODED. DURING PERIODIC CHECK, FOUND CORROSION IN THE RIGHT WING FRONT SPAR WEB FSSI 1023 AND ON THE LOWER T-CHORD AT FSSI 1019 AND 1027. REPAIRED PER EA 66-98527. - [SDR 9508566622](https://openairdocs.org/sdr/9508566622), May 17, 1995: SKIN. CRACKED. DURING PERIODIC CHECK, FOUND A CRACK IN THE NR 2 PYLON INBOARD SKIN, NACELLE STA 174, NACELLE WL 151. REPAIRED PER EA 66-098523. - [SDR 9504366622](https://openairdocs.org/sdr/9504366622), Mar 16, 1995: CSD. FAILED. DURING CRUISE, THE NR 2 ENGINE CSD OIL WARNING LIGHT ILLUMINATED FOLLOWED BY THE GENERATOR OFF AND FIELD OPEN LIGHTS. THE CSD WAS DISCONNECTED AND THE OIL TEMPE ## FAA accident and incident reports (2) 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 19990224021159I](https://openairdocs.org/incident/19990224021159I), Feb 24, 1999: Boeing 747251B (N622US), Tokyo, JA, Minor damage. After landing and runway turn off at nrt a loud pop and hissing sound was heard. The second officer observed fire under his table. He quickly extinguished the… - [Incident 19791001051489I](https://openairdocs.org/incident/19791001051489I), Oct 1, 1979: Boeing 747/ (N622US), Prestwick, UK, Substantial damage. Three of four engines damaged by bird strike after takeoff. --- 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.