# SDR UALA2011032401400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2011
- Submitted: March 25, 2011
- Operation: Air carrier
- Aircraft: [N211UA](https://openairdocs.org/aircraft/N211UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30217
- Aircraft time: 38,651 hours, 8,517 cycles
- Engine: Pwa PW4077
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part number: 756603E
- Part serial: 134
- Condition: Faulty
- Location: Apu
- Stage of operation: NR
- 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/UALA2011032401400

## Discrepancy

APU NO GO ON LINE WITH GENERATORS.   AIR OUTPUT OK.  NO TIME TO TS.  REPLACED APU GEN CONTROL UNIT PER AMM.  TEST OK, OPERATIONAL CHECK OKAY.

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