# SDR 99UAL900149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N643UA](https://openairdocs.org/aircraft/N643UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25093
- Engine: Pwa PW4060
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Actuator
- Part number: 273T610010
- Condition: Broken
- Location: Lt Mlg Truck
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A, J
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900149

## Discrepancy

UNABLE TO RAISE LEFT MAIN LANDING GEAR. RETURNED TO FIELD. AMBER ALERT DECLARED.  *S/D*  TRUCK POSITION ACTUATOR FOUND LEAKING INTERNALLY AT PRESSURE RELIEF VALVE.  REPLACED ACTUATOR.

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