# SDR UALA2008112606678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2008
- Submitted: December 19, 2008
- Operation: Air carrier
- Aircraft: [N654UA](https://openairdocs.org/aircraft/N654UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25392
- Aircraft time: 69,107 hours, 11,417 cycles
- Engine: Pwa PW4060
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Switch
- Part number: 38760483
- Part serial: 305375
- Condition: Faulty
- Location: Controller
- Component: Controller
- Component part number: 217734220
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2008112606678

## Discrepancy

APU SHUTDOWN AGAIN, FAULT LIGHT ON UNSUCCESSFUL RESTART.  REPLACED APU CONTROLLER.  REPLACED GEN OIL FLTR DELTA P SWITCH, TWICE (24NOV AT IAD & 26NOV AT ORD).

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