# SDR UALA2012050402639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2012
- Submitted: June 30, 2012
- Operation: Air carrier
- Aircraft: N549UA
- Make and model: Boeing 757222
- Aircraft serial: 25397
- Aircraft time: 76,940 hours, 22,225 cycles
- Engine: Pwa PW2037
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 8113901
- Part serial: 72
- Condition: Inoperative
- Location: Rt Engine
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012050402639

## Discrepancy

RT ENGINE START VALVE DID NOT OPEN DURING START.  START VALVE LIGHT OK.  START VALVE INOPERATIVE.  REPLACED STARTER VALVE ASSY.

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