# SDR UALA2009060801632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2009
- Submitted: June 17, 2009
- Operation: Air carrier
- Aircraft: [N667UA](https://openairdocs.org/aircraft/N667UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29239
- Aircraft time: 38,716 hours, 10,813 cycles
- Engine: Pwa PW4056
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Exciter
- Part number: 38880585
- Part serial: 239
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009060801632

## Discrepancy

APU WOULD NOT START AFTER 3 ATTEMPTS RPM CAME TO 13 THEN ROLLED BACK WITH FAULT LIGHT.  REPLACED APU EXCITER BOX.

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