# Incident 19870722051529I: Boeing 727231, Yuma, AZ, July 22, 1987

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 22, 1987, 10:55 local time
- Place: Yuma, AZ
- Phase of flight: Climb
- Operating rules: Air carrier (Part 121)
- Operator: TWAA
- Location: 32.7253° N, 114.6244° W: Placed by OpenAirDocs: center of Yuma, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7253&lon=-114.6244&mi=10
- Aircraft: N12302, a cancelled registration (https://openairdocs.org/deregistered/N12302-2017-06-07) (OpenAirDocs)
- Registry model: Boeing 727-231 (registry code 1384079, https://openairdocs.org/model/boeing-727-231) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-1 (registry code 52044, https://openairdocs.org/engine/pratt-whitney-jt8d-1) (OpenAirDocs)
- Reported make and model: BOEING 727231
- People aboard: 150
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870722051529I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

UNCONTROLLED CABIN ALTITUDE CLIMB EN ROUTE. RAPID DESCENT. DIVERTED. FOUND INSULATION IN THE OUTFLOW VALVE.

## Other reports on N12302 (2)

Matched to the same aircraft by N-number and date.

- [Incident 19860514024939I](https://openairdocs.org/incident/19860514024939I), May 14, 1986: Boeing 727231 (N12302), St Louis, MO. Unable to pressurize cabin after takeoff. Returned. Galley door rollers on wrong side of track. Door did not seal.
- [Incident 19850825047339I](https://openairdocs.org/incident/19850825047339I), Aug 25, 1985: Boeing 727231 (N12302), St Louis, MO. Loss of hydraulic fluid in a system. Gear extended manually. Outboard flap control valve leaking.

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. For accidents, the NTSB's own investigation is the fuller record.

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