# SDR UALA2012032901980

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2012
- Submitted: March 29, 2012
- Operation: Air carrier
- Aircraft: [N665UA](https://openairdocs.org/aircraft/N665UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29237
- Aircraft time: 49,432 hours, 13,310 cycles
- Engine: Pwa PW4056
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012032901980

## Discrepancy

APU AUTO SHUTDOWN AT GATE BEFORE PUSHBACK.  BITE OF BOX FAULTS LOW OIL PRESS SWITCH.  REPLACED APU CONTROLLER, NO HELP.

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