# SDR UALA2011072803889

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2011
- Submitted: August 19, 2011
- Operation: Air carrier
- Aircraft: [N220UA](https://openairdocs.org/aircraft/N220UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30223
- Aircraft time: 42,520 hours, 5,278 cycles
- Engine: Pwa PW40903
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Gcu
- Part number: 756603E
- Part serial: 520808
- Condition: Faulty
- Location: Posit 1
- Stage of operation: TX
- 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/UALA2011072803889

## Discrepancy

LEFT ENG IDG DOES NOT ON LINE AFTER PUSH BACK.  REPLACED GCU PER MM, NO  INSTALLED COA BORROWED.

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