# Incident 19970716028709I: Bag JETSTM3101, Los Angeles, CA, July 16, 1997

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 16, 1997, 16:25 local time
- Place: Los Angeles, CA
- Airport: Los Angeles International
- Phase of flight: Descent
- Operating rules: Air carrier (Part 121)
- Operator: WTAA
- Location: 33.9425° N, 118.4080° W: Placed by OpenAirDocs at LOS ANGELES INTL (LAX), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9425&lon=-118.4080&mi=10
- Aircraft: N425UE, a cancelled registration (https://openairdocs.org/deregistered/N425UE-2017-04-13) (OpenAirDocs)
- Registry model: British Aerospace BAE JETSTREAM 3101 (registry code 1500216, https://openairdocs.org/model/british-aerospace-bae-jetstream-3101) (OpenAirDocs)
- Registry engine: AiResearch TPE331 series (registry code 01514, https://openairdocs.org/engine/airesearch-tpe331-series) (OpenAirDocs)
- Reported make and model: BAG JETSTM3101
- People aboard: 12
- Fatal injuries: 0
- Pilot flight hours: 7,824 total, 2,816 in this make and model, 245 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970716028709I

## Narrative

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

NARRATIVE: ON JULY 16, 1997, AT ABOUT 1450 HOURS PDT, BRITISH AEROSPACE BA-JETSTM-3101, N425UE, WHILE DESCENDING THROUGH 11,000 MSL, THE CREW EXPERIENCED A NORMAL HYDRAULIC SYSTEM FAILURE. LAX ATCT VECTORED N425UE OVER SANTA MONICA, CA AT 5000 MSL TO TRY TO RELEASE THE EMERGENCY HYDRAULIC SELECTOR VALVE BINDING. THE CREW USED THE EMERGENCY PUMP HANDLE TO FORCE THE VALVE TO THE UNDER CARRIAGE DETENT. USING THE EMERGENCY HYDRAULIC PUMP, MANUALLY EXTENDED THE LANDING GEAR, THE CREW REENTERED LAX TRAFFIC AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL DISCOVERED HYDRAULIC FLUID LEAKING FROM THE LEFT WING FILLET. HYDRAULIC LINE P/N 1379007D463 WAS CHAFED THROUGH THE WALL. THE EMERGENCY SELECTOR VALVE P/N AIR 87360-1 WAS FOUND TO EXHIBIT CORROSION ON THE MATED SURFACES OF THE BOBBIN AND VALVE HOUSING. A SAFETY RECOMMENDATION TO AMEND RECURRING AD 92-07-24 1800 HR. TO 200 HRS. AND TO CONSIDER A NEW AD CONCERNING HYDRAULIC SYSTEM FLUID WATER AND ACID CONTENT CRITERIA HAS BEEN SUBMITTED. THIS INCIDENT REPORT IS CONSIDERED CLOSED.

## Other reports on N425UE (2)

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

- [Incident 19911105052959I](https://openairdocs.org/incident/19911105052959I), Nov 5, 1991: Bag JETSTM3101 (N425UE), San Francisco, CA. Aborted takeoff due to left engine RPM decrease. Speed lever arm had separated from governor shaft.
- [Incident 19911017054339I](https://openairdocs.org/incident/19911017054339I), Oct 17, 1991: Bag JETSTM3101 (N425UE), Fresno, CA. Erratic torque indications during climbout. NR1 engine shut down and landed. Replaced fuel control unit.

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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