# SDR UALA2011021800844

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2011
- Submitted: February 18, 2011
- Operation: Air carrier
- Aircraft: N595UA
- Make and model: Boeing 757222
- Aircraft serial: 28748
- Aircraft time: 51,189 hours, 14,242 cycles
- Engine: Pwa PW2037
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 520854
- Part serial: 18
- Condition: Inoperative
- Location: Nr 1 Generator
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011021800844

## Discrepancy

HYDRAULIC MOTOR GEN DOES NOT TEST.  VALVE OPENS, GEN DOES NOT OPERATE. POS CONTROL UNIT OR GEN.  COMPLIED WITH MEL.  REPLACED HYD MOTOR GENERATOR CONTROL UNIT. OPS NORMAL.

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