# Incident 19900520026029I: Doug DC931, Pittsburgh, PA, May 20, 1990

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 20, 1990, 22:15 local time
- Place: Pittsburgh, PA
- Airport: Greater Pittsburgh International
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Air carrier (Part 121)
- Operator: MIDA
- 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: N933ML, a cancelled registration (https://openairdocs.org/deregistered/N933ML-1993-06-08) (OpenAirDocs)
- Registry model: Douglas DC-9-31 (registry code 3022065, https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Reported make and model: DOUG DC931
- Reported engine: PWA JT8D7
- People aboard: 74
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900520026029I

## Narrative

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

DROP IN NR2 ENGINE OIL QUANTITY. DIVERTED AND LANDED. STUD ON OIL FILTER PULLED OUT AND OIL LEAKED FROM FILTER.

## Other reports on N933ML (3)

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

- [Incident 19910529022919I](https://openairdocs.org/incident/19910529022919I), May 29, 1991: Doug DC931 (N933ML), Kansas City, MO. Encountered clear air turbulence on descent. Three passengers and two flight attendants injured. A seat belt broke.
- [Incident 19850910049289I](https://openairdocs.org/incident/19850910049289I), Sep 10, 1985: Doug DC931 (N933ML), Chicago, IL. Runaway trim stopped by pulling circuit breaker during climb. Returned and replaced servo.
- [Incident 19840224012099I](https://openairdocs.org/incident/19840224012099I), Feb 24, 1984: Doug DC931 (N933ML), Chicago, IL. All flight crew reported being lightheaded and nauseous. No cause except that the crew had not eaten for 9 hours.

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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