# Incident 19790325011889I: Boeing 727235, Houston, TX, March 25, 1979

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: March 25, 1979, 06:56 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: N4737, a cancelled registration (https://openairdocs.org/deregistered/N4737-1983-04-20) (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: 97
- 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/19790325011889I

## Narrative

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

ZK "A" SYSTEM FLUID LOST DUE TO SPLIT IN FLAP CONTROL VALVE.

## Other reports on N4737 (2)

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

- [Accident 19820709069969A](https://openairdocs.org/incident/19820709069969A), Jul 9, 1982: Boeing 727235 (N4737), New Orleans, LA, Destroyed, 150 fatal. Aircraft departed into thunderstorm area and was observed sinking into ground in nose-high attitude.
- [Incident 19780707042639I](https://openairdocs.org/incident/19780707042639I), Jul 7, 1978: Boeing 727 (N4737), Houston, TX. Takeoff aborted when tower reported smoke from left wing. Turned out to be fuel vapor, surge tank was drained

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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