# SDR UALA2011062003025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2011
- Submitted: July 14, 2011
- Operation: Air carrier
- Aircraft: [N661UA](https://openairdocs.org/aircraft/N661UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27158
- Aircraft time: 77,800 hours, 12,575 cycles
- Engine: Pwa PW4060
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Control Unit
- Part number: 734285D
- Part serial: 177
- Condition: Faulty
- Location: Electrical Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011062003025

## Discrepancy

EICAS MSG APU GEN OFF & APU GEN OFF LIGHT ON WITH APU RUNNING.  GEN WOULD NOT RESET.  REPLACED BPCU PER MM, OPS OK.

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