# SDR UALA2009042801231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2009
- Submitted: April 29, 2009
- Operation: Air carrier
- Aircraft: [N791UA](https://openairdocs.org/aircraft/N791UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26933
- Aircraft time: 51,092 hours, 7,576 cycles
- Engine: Pwa PW40903
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Bpcu
- Part number: 756585E
- Part serial: 8
- Condition: Faulty
- Location: Electrical Sys
- 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/UALA2009042801231

## Discrepancy

GALLEY POWER INTERMITTENT.  REPLACED BUSS POWER CONTROL UNIT.  LOADED NEW SOFTWARE INTO NEW UNIT OPS2402-SUU-BCU-03.  TESTED GOOD.

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