# Incident 19791113053479I: Boeing 727235, Houston, TX, November 13, 1979

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: November 13, 1979, 09:05 local time
- Place: Houston, TX
- Airport: Intercontinental
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NAL
- Location: 29.7633° N, 95.3633° W: Placed by OpenAirDocs: center of Houston, TX, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7633&lon=-95.3633&mi=10
- Aircraft: N4739, a cancelled registration (https://openairdocs.org/deregistered/N4739-1996-12-17) (OpenAirDocs)
- Registry model: Boeing 727-235 (registry code 138408B, https://openairdocs.org/model/boeing-727-235) (OpenAirDocs)
- Reported make and model: BOEING 727235
- People aboard: 140
- 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/19791113053479I

## Narrative

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

DURING CRUISE HYDRAULIC "A" SYSTEM QUANTITY/PRESSURE DECREASED.#2 ENGINE "A" PUMP PRESSURE HOSE HAD RUPTURED.

## Other reports on N4739 (2)

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

- [Incident 19800719061799I](https://openairdocs.org/incident/19800719061799I), Jul 19, 1980: Boeing 727235 (N4739), New Orleans, LA. Lost hydraulics, manually extended gear. Found leaking elevator control valve.
- [Incident 19790217006419I](https://openairdocs.org/incident/19790217006419I), Feb 17, 1979: Boeing 727235 (N4739), Austin, TX. Za engine shutdown due to fuel heat valve warning. Fuel heat valve stuck open.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.