# Incident 19800728082619I: Boeing 727231, Chicago, IL, July 28, 1980

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 28, 1980, 17:22 local time
- Place: Chicago, IL
- Airport: O'Hare
- Phase of flight: Unknown/Not Reported
- Operating rules: Air carrier (Part 121)
- Operator: TWAA
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Aircraft: N12308, a cancelled registration (https://openairdocs.org/deregistered/N12308-1996-04-08) (OpenAirDocs)
- Registry model: Boeing 727-231 (registry code 1384079, https://openairdocs.org/model/boeing-727-231) (OpenAirDocs)
- Reported make and model: BOEING 727231
- People aboard: 79
- 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/19800728082619I

## Narrative

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

LANDED WITH HYDRAULIC SYSTEM FAILURE. REPLACED B PUMP, B SYSTEM QUANTITY TRANSMITTER & PRESSURE FILTERS.

## Other reports on N12308 (3)

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

- [Incident 19910422016699I](https://openairdocs.org/incident/19910422016699I), Apr 22, 1991: Boeing 727231 (N12308), Wichita, KS. Split flaps on descent. Recycled and they appeared normal. Loose cannon plug on indicator caused problem.
- [Incident 19860210018189I](https://openairdocs.org/incident/19860210018189I), Feb 10, 1986: Boeing 727231 (N12308), New York, NY. Nose pitched up on final. Trimmed down but yoke was binding fore and aft. Suspect ice buildup. Previously deiced.
- [Incident 19780707042629I](https://openairdocs.org/incident/19780707042629I), Jul 7, 1978: Boeing 737200 (N12308), Pittsburgh, PA, Minor damage. Wing tip scraped during landing. Crew not available for interview.

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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