# N9051U: Boeing 737-222, registration cancelled 1999-06-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 15, 1999
- Status when cancelled: Valid registration
- Airframe: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (OpenAirDocs)
- Serial number: 19932
- Type of aircraft: Fixed wing multi engine
- Last registry action: June 15, 1999
- Mode S code: AC844D
- Owner when cancelled: [Purdue University](https://openairdocs.org/faa-owner/PURDUE%20UNIVERSITY)
- Location: [West Lafayette, IN](https://openairdocs.org/faa-place/IN/West%20Lafayette)
- Owner type: Corporation
- Owner's area on the map: 40.4222° N, 86.9138° W: Placed by OpenAirDocs at the center of ZIP code 47907, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9051U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9051U
- Page: https://openairdocs.org/deregistered/N9051U-1999-06-15

From the FAA registry file of November 5, 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 737-222: https://openairdocs.org/model/boeing-737-222.md

## Service difficulty reports (3)

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

- [SDR 97UAL900032](https://openairdocs.org/sdr/97UAL900032), Jan 4, 1997: SLIDE. LOOSE. DOOR 2L SLIDE COMING OUT OF CONTAINER. REPLACED SLIDE ASSEMBLY.
- [SDR 96UAL900998](https://openairdocs.org/sdr/96UAL900998), Dec 30, 1996: LENS. LOOSE. EMERGENCY EXIT LIGHT LENS COVER LOOSE DOOR 2L. SECURED EMERGENCY EXIT LIGHT LENS COVER.
- [SDR 96UAL900054](https://openairdocs.org/sdr/96UAL900054), Jan 22, 1996: STRIP. INOPERATIVE. EMERGENCY ESCAPE PATH LIGHTING IN FIRST CLASS INOP. REPLACED LIGHT STRIP.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI71IC063](https://openairdocs.org/ntsb/CHI71IC063), Mar 11, 1971: Boeing 737 (N9051U), Fort Wayne, IN, incident, minor damage

## 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 19870408025949I](https://openairdocs.org/incident/19870408025949I), Apr 8, 1987: Boeing 737222 (N9051U), Great Falls, MT. A cargo door warning light came on during climb. The aircraft returned to the airport. Door improperly latched.
- [Incident 19800810069889I](https://openairdocs.org/incident/19800810069889I), Aug 10, 1980: Boeing 737222 (N9051U), Chicago, IL. Unable to raise nose gear on climbout. Hydraulic lines to gear uplock cylinder replaced.

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