# SDR UALA2013072605244

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2013
- Submitted: August 14, 2013
- Operation: Air carrier
- Aircraft: [N229UA](https://openairdocs.org/aircraft/N229UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30557
- Aircraft time: 48,588 hours, 5,874 cycles
- Engine: Pwa PW4090
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 756603E
- Part serial: 1337
- Condition: Failed
- Location: Left
- Stage of operation: TX
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013072605244

## Discrepancy

ACFT RETURN TO THE BLOCKS.  NO OUTPUT LEFT IDG.  REPLACED LEFT GCU, OPS CHECKED GOOD.

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