# SDR UALA2013041702624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2013
- Submitted: May 1, 2013
- Operation: Air carrier
- Aircraft: [N669UA](https://openairdocs.org/aircraft/N669UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30025
- Aircraft time: 50,054 hours, 12,678 cycles
- Engine: Pwa PW4056
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Control Unit
- Part number: 211734220
- Part serial: 117A0356
- Condition: Failed
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013041702624

## Discrepancy

APU AUTO SHUTDOWN.  RAPID EGT RISE 775-790, THEN AUTO SHUTDOWN AFTER RPM STABILIZED AT 22.  REPLACED APU CONTROL UNIT AS PER AMM.  APU STARTS AND OPERATES NORMALLY.

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