# Incident 19871006062929I: Boeing 75724APF, Billings, MT, October 6, 1987

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 6, 1987, 20:04 local time
- Place: Billings, MT
- Airport: Billings Logan International
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: RYNA
- Location: 45.8078° N, 108.5435° W: Placed by OpenAirDocs at BILLINGS LOGAN INTL (BIL), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.8078&lon=-108.5435&mi=10
- Aircraft: N401UP, registered now (https://openairdocs.org/aircraft/N401UP) (OpenAirDocs)
- Registry model: Boeing 757-24APF (registry code 1384969, https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Registry engine: Pratt & Whitney PW2040 (registry code 52121, https://openairdocs.org/engine/pratt-whitney-pw2040) (OpenAirDocs)
- Reported make and model: BOEING 75724APF
- Reported engine: PWA PW2037
- People aboard: 5
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19871006062929I

## Narrative

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

AIRCRAFT MADE A PRECAUTIONARY LANDING DUE TO LOW OIL QUANTITY.PACKING FOUND SPLIT ON NUMBER 1 HYDRAULIC PUMP.

## Other reports on N401UP (3)

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

- [Incident 19900220007049I](https://openairdocs.org/incident/19900220007049I), Feb 20, 1990: Boeing 75724APF (N401UP), Des Moines, IA. Rapid decrease in NR2 fuel quantity indicator. Secured NR2 engine. Found a faulty fuel indicator.
- [Incident 19881115062609I](https://openairdocs.org/incident/19881115062609I), Nov 15, 1988: Boeing 75724APF (N401UP), Portland, OR, Minor damage. Bird strike into engine on takeoff. Severe vibration, smoke and fire. Emergency landing. Engine being replaced.
- [Incident 19880203069479I](https://openairdocs.org/incident/19880203069479I), Feb 3, 1988: Boeing 75724APF (N401UP), Phoenix, AZ, Minor damage. Lost directional control. Veered off runway. Hydraulic system depleted. Steering and reversers inoperative.

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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