# SDR UALA2010062902316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2010
- Submitted: June 30, 2010
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 56,356 hours, 10,261 cycles
- Engine: Pwa PW4077
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Part number: 756589A
- Part serial: 366
- Condition: Faulty
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010062902316

## Discrepancy

ELEC GEN OFF APU EICAS.  TRIED NEW APU GEN CONTROL UNIT, NO HELP.  NO VOLTS OR FREQS SHOWS IN ELECTRIC PAGE.  REPLACED APU GEN, OPS CHECKS OKAY.

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