# N231US: 1979 Boeing 737-2Q9, registration cancelled 2002-04-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 12, 2002
- Exported to: Mexico
- Status when cancelled: Triennial form not returned
- Airframe: [Boeing 737-2Q9](https://openairdocs.org/model/boeing-737-2q9) (registry code 138448M)
- Engine: [Pratt & Whitney JT8D-15](https://openairdocs.org/engine/pratt-whitney-jt8d-15) (registry code 52051)
- Data sheets: [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs)
- Serial number: 21976
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 7, 2000
- Certificate issued: December 7, 1995
- Last registry action: April 18, 2000
- Mode S code: A20E0A
- Owner when cancelled: [US Airways Inc](https://openairdocs.org/faa-owner/US%20AIRWAYS%20INC)
- Location: [Arlington, VA](https://openairdocs.org/faa-place/VA/Arlington)
- Owner type: Corporation
- Owner's area on the map: 38.8783° N, 77.1007° W: Placed by OpenAirDocs: center of Arlington, VA, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N231US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=231US
- Page: https://openairdocs.org/deregistered/N231US-2002-04-12

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 737-2Q9: https://openairdocs.org/model/boeing-737-2q9.md

## Service difficulty reports (21)

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

- [SDR USAASB00300](https://openairdocs.org/sdr/USAASB00300), Oct 24, 2000: BATTERY PACK. DISCHARGED. TPA - FOUND THE R2 AND L2 DOOR EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED THE AFT CARGO BATTERY PACK. (M)
- [SDR USAASB00210](https://openairdocs.org/sdr/USAASB00210), Aug 7, 2000: VALVE. FAILED. BWI - FLT 2633 - ON CLIMB-OUT FROM BWI, THE NR 1 ENGINE BLEED TRIP OFF LIGHT ILLUMINATED (RESET WAS SUCCESSFUL) AND THE EGT WENT TO 645 DEGREES FOR 5 SECONDS. A
- [SDR USAA000233](https://openairdocs.org/sdr/USAA000233), Feb 22, 2000: SKIN. CRACKED. TPA - SKIN HAS A 3 INCH CRACK AT BS 971 STRINGER 21L. INSTALLED DOUBLER PER SRM 53-30-3 FIG 1 AND EA 66147. (M)
- [SDR USAA000234](https://openairdocs.org/sdr/USAA000234), Feb 22, 2000: SKIN. CRACKED. TPA - SKIN HAS A 2 INCH CRACK AT BS 964 STR 19L. REPAIRED PER SRM 53-50-3 FIG 1 AND EA 66148. (M)
- [SDR USAASB00024](https://openairdocs.org/sdr/USAASB00024), Jan 28, 2000: UNKNOWN. SMOKE. PVD - FLT 2655 - ON CLIMB-OUT FROM PVD, AT APPROXIMATELY 8,000 FEET, THE SMOKE DETECTOR IN THE AFT LAVATORY BEGAN SOUNDING AND A SMELL IN THE AFT CABIN WAS PRES
- [SDR USAASB00018](https://openairdocs.org/sdr/USAASB00018), Jan 24, 2000: GASPER FAN. FAILED. IAD - FLT 2800, AFTER CLIMB-OUT FROM BWI, LEVELING OFF AT FL230, CREW NOTICED AN ODOR THROUGHOUT THE COCKPIT AND CABIN. FLIGHT ATTENDANT PULLED CIRCUIT BREAKER 
- [SDR USAASB99232](https://openairdocs.org/sdr/USAASB99232), Sep 17, 1999: BATTERY PACK. DISCHARGED. CLE - MAINTENANCE FOUND THE LEFT EXTERIOR OVERWING AND LOWER AFT EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AND POWER SUPPL
- [SDR USAASB99229](https://openairdocs.org/sdr/USAASB99229), Sep 15, 1999: DRIVE MOTOR. FAILED. MIA - FLT 2739 - CAPT REPORTED HE WAS EIGHT MILES ON FINAL APPROACH AND HAD JUST SET THE FLAPS TO A SETTING OF 1 DEGREE WHEN THE 'A' SYSTEM HYDRAULICS FAILED. C
- [SDR USAA990665](https://openairdocs.org/sdr/USAA990665), Jun 27, 1999: SKIN. CRACKED. PHL - DURING RON, FOUND 2.5 INCH CRACK IN SKIN AT STATION 884 AT STRINGER 24 RT. INSTALLED DOUBLER REPAIR AT STRINGER AREA PER SRM 53-30-3, FIG 1 SHT 4. (M)
- [SDR USAA990439](https://openairdocs.org/sdr/USAA990439), May 14, 1999: SKIN. CRACKED. TPA - DURIGN CX-6 CHECK, FOUND .125 INCH CRACK IN SKIN AT BS 727A AND S16L. INSTALLED DOUBLER MADE FROM 2024T3 .100 INCH THICK PER SRM 53-30-3 FIG 1. (M)
- [SDR USAA990437](https://openairdocs.org/sdr/USAA990437), May 14, 1999: SKIN. CRACKED. TPA - DURING CX-6 CHECK, FOUND 2.5 INCH CRACK IN SKIN AT BS 756 AND S17L. INSTALLED DOUBLER MADE OF 2024T3 .071 INCH THICK PER SRM 53-30-3 FIG 1. (M)
- [SDR USAASB99081](https://openairdocs.org/sdr/USAASB99081), Mar 25, 1999: CSD. FAILED. CLE - FLT 1055 - ON CLIMB-OUT FROM CLE, THE NR 1 ENGINE GENERATOR DROPPED OFF LINE. CREW COULD NOT RESET THE GENERATOR. DUE TO THE APU BEING ON MEL, THE FLIGHT 
- [SDR USAASB98206](https://openairdocs.org/sdr/USAASB98206), Aug 10, 1998: LIGHT. INOPERATIVE. GSO - MAINTENANCE FOUND THE AFT LEFT SERVICE DOOR EXTERIOR LIGHT INOP. MAINTENANCE FOUND A BAD WIRE SPLICE. REMOVED AND REPLACED WIRE SPLICE 1724. OPERATIONAL C
- [SDR USAA980278](https://openairdocs.org/sdr/USAA980278), Jun 18, 1998: SKIN. CRACKED. TPA - DURING CX-5 CHECK VISUAL INSPECTION, FOUND A 3.75 INCH CRACK IN THE SKIN AT STATION 727B STRIGNER 17R. INSTALLED DOUBLER PER TYPICAL REPAIR NR 53-30-14. (
- [SDR USAA980276](https://openairdocs.org/sdr/USAA980276), Jun 18, 1998: FORMER. CRACKED. CLT - DURING CX-5 CHECK VISUAL INSPECTION, FOUND A 10 INCH CRACK IN ANGLE FORMER RT WING L/E AT W STATION 219. INSTALLED MODIFIED PART. (M)
- [SDR USAA980275](https://openairdocs.org/sdr/USAA980275), Jun 18, 1998: SKIN. CRACKED. TPA - DURING CX-5 CHECK VISUAL INSPECTION, FOUND A 2.50 INCH CRACK IN SKIN STA 727B JUST BELOW STR 15L. INSTALLED DOUBLER PER TYPICAL REPAIR NR 53-30-14. (X)
- [SDR USAA970240](https://openairdocs.org/sdr/USAA970240), Jul 12, 1997: SKIN. CRACKED. INT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND 3 INCH SKIN CRACK BS 1154 BETWEEN STRINGER 2R AND STRINGER 3R. INSTALLED DOUBLER, REPAIRED PER SRM 53-30-3. (M)
- [SDR USAASB97039](https://openairdocs.org/sdr/USAASB97039), Jan 16, 1997: WIRE. BROKEN. PHL - MAINTENANCE FOUND THE LOW LEVEL EMERGENCY LIGHTING INOP AT ROW 11ABC. MAINTENANCE REPAIRED BROKEN WIRE AT ROW 11ABC. OPS CHECK GOOD. (M)
- [SDR USAASB96136](https://openairdocs.org/sdr/USAASB96136), Jul 22, 1996: INDICATION. MALFUNCTIONED. CLT - FLT 1979 - ON DESCENT INTO CLT, WHEN LANDING GEAR LOWERED,CREW RECEIVED THREE GEAR RED LIGHTS AND THREE GEAR GREEN LIGHTS. THE GEARHORN SOUNDED AT FLAPS 1
- [SDR USAA960545](https://openairdocs.org/sdr/USAA960545), Jul 4, 1996: SKIN. CRACKED. BOS - DETECTED BY VISUAL AND EDDY CURRENT AND 4.25 INCH CRACK IN SKIN AT STATION 727B AT STRINGER 15R. INSTALLED DOUBLER 13.375 INCH BY 8.5 INCH PER SRM REFEREN
- [SDR USAA950242](https://openairdocs.org/sdr/USAA950242), Mar 11, 1995: LINE. LEAKING. CLT - FLT 2188 - EN ROUTE TPA TO LGA, LOST 'A' SYSTEM HYDRUALIC QUANTITY, FOLLOWED BY LOW 'A' PRESSURE LIGHTS. FLIGHT DIVERTED TO CLT WHERE LANDING WAS WITHOUT 

## 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 19920222006029I](https://openairdocs.org/incident/19920222006029I), Feb 22, 1992: Boeing 7372Q9 (N231US), Baltimore, MD. Pilot reported loss of gyro information on climb. Returned. Found a partially stuck HSI knob. Unit replaced.
- [Incident 19890618050939I](https://openairdocs.org/incident/19890618050939I), Jun 18, 1989: Boeing 7372Q9 (N231US), Ft Lauderdale, FL, Minor damage. Fire warning light illuminated after push back. Airplane evacuated. Found a short in APU fire warning system.

## Other aircraft with N231US

- [Cancelled 2018-01-03](https://openairdocs.org/deregistered/N231US-2018-01-03): Mcdonnell Douglas DC-9-31, S/N 48114. Registration expired, pending cancellation. Owner: [USA Jet Airlines Inc](https://openairdocs.org/faa-owner/USA%20JET%20AIRLINES%20INC), [Belleville, MI](https://openairdocs.org/faa-place/MI/Belleville)
- [Cancelled 1964-03-25](https://openairdocs.org/deregistered/N231US-1964-03-25): Piper PA-18-150, S/N 18-5537. Owner: [US Operations Mission/Libya](https://openairdocs.org/faa-owner/US%20OPERATIONS%20MISSION%2FLIBYA), Tripoli

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