# Incident 19800106011079I: Boeing 707/, Bangor, ME, January 6, 1980

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 6, 1980, 15:00 local time
- Place: Bangor, ME
- Airport: Municipal
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: TWAA
- Location: 44.8012° N, 68.7778° W: Placed by OpenAirDocs: center of Bangor, ME, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.8012&lon=-68.7778&mi=10
- Aircraft: N28728, a cancelled registration (https://openairdocs.org/deregistered/N28728-1984-05-25) (OpenAirDocs)
- Registry model: Boeing 707-331B (registry code 138366H, https://openairdocs.org/model/boeing-707-331b) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT3D-3&3B (registry code 52039, https://openairdocs.org/engine/pratt-whitney-jt3d-3-3b) (OpenAirDocs)
- Reported make and model: BOEING 707/
- People aboard: 104
- 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/19800106011079I

## Narrative

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

UNCONTROLLABLE CABIN PRESSURE. OUTFLOW VALVE JAMMED OPEN.

## Other reports on N28728 (1)

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

- [Incident 19810518031479I](https://openairdocs.org/incident/19810518031479I), May 18, 1981: Boeing 707* (N28728), Chicago, IL. Ze compressor stall on number 4 engine during takeoff due to defective surge bleed valve part no 28705.

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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