# Incident 19910314011399I: Boeing 757223, Pittsburgh, PA, March 14, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 14, 1991, 07:38 local time
- Place: Pittsburgh, PA
- Airport: Greater Pittsburgh International
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: AALA
- 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: N639AA, a cancelled registration (https://openairdocs.org/deregistered/N639AA-2018-09-10) (OpenAirDocs)
- Registry model: Boeing 757-223 (registry code 1384957, https://openairdocs.org/model/boeing-757-223) (OpenAirDocs)
- Registry engine: Rolls-Royce RB-211 series (registry code 54555, https://openairdocs.org/engine/rolls-royce-rb-211-series) (OpenAirDocs)
- Reported make and model: BOEING 757223
- People aboard: 90
- Fatal injuries: 0
- Pilot flight hours: 8,000 total, 100 in this make and model
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910314011399I

## Narrative

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

LEFT HYDRAULIC SYSTEM FAILED. LANDED SAFELY. FOUND B NUT LOOSE WHERE LINE ATTACHES TO BRAKE METERING VALVE.

## Other reports on N639AA (1)

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

- [Incident 19990710019039I](https://openairdocs.org/incident/19990710019039I), Jul 10, 1999: Boeing 757223 (N639AA), Kansas City, MO. (-5)American airlines flight # 181, a Boeing B-757-223 aircraft, N639AA, departed logan intl airport (bos) on July 10, 1999, enroute to los angeles intl…

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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