# SDR 2007UALA03960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2007
- Submitted: October 3, 2007
- Operation: Air carrier
- Aircraft: [N807UA](https://openairdocs.org/aircraft/N807UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 798
- Aircraft time: 33,702 hours, 12,838 cycles
- Engine: Iae V2522A5
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Selector
- Condition: Malfunctioned
- Location: Mlg Door
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA03960

## Discrepancy

GEAR DID NOT EXTEND, USED GRAVITY EXTENSION AND LOST NOSE STEERING, TOWED TO GATE.    10-19-07    FOUND  AFT MLG DOOR SELECTOR VALVE INOPERATIVE.   REPLACED  AFT MLG DOOR SELECTOR VALVE 41GA AND 37GA.  DOORS OPEN AND CLOSE NORMALLY.   NO REPEATS SINCE ORIGINAL.

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