# Incident 19780903017399I: Boeing 727231, Pittsburgh, PA, September 3, 1978

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 3, 1978, 15:44 local time
- Place: Pittsburgh, PA
- Airport: International
- Phase of flight: Climb
- Operating rules: Air carrier (Part 121)
- Operator: TWA
- Location: 40.4406° N, 79.9959° W: Placed by OpenAirDocs: center of Pittsburgh, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4406&lon=-79.9959&mi=10
- Aircraft: N12305, a cancelled registration (https://openairdocs.org/deregistered/N12305-2003-07-14) (OpenAirDocs)
- Registry model: Boeing 727-231 (registry code 1384079, https://openairdocs.org/model/boeing-727-231) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D series (registry code 52053, https://openairdocs.org/engine/pratt-whitney-jt8d-series) (OpenAirDocs)
- Reported make and model: BOEING 727231
- People aboard: 43
- Fatal injuries: 0
- Pilot flight hours: 0 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780903017399I

## Narrative

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

LOST PRESSURIZATIN IN FLIGHT DUE TO FAULTY SEALS IN THE WATER SEPARATOR.

## Other reports on N12305 (2)

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

- [Incident 19871220077149I](https://openairdocs.org/incident/19871220077149I), Dec 20, 1987: Boeing 727231 (N12305), St Louis, MO. Lost all a system hydraulic fluid on final. Landed safely. Found nose gear steering control valve leaking.
- [Incident 19871201075999I](https://openairdocs.org/incident/19871201075999I), Dec 1, 1987: Boeing 727231 (N12305), St Louis, MO. Loud squeal at forward passenger door on climbout. Returned. Found seal torn at lower door hinge. Repaired seal.

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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