# SDR 2008UALA04329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: [N544UA](https://openairdocs.org/aircraft/N544UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 25322
- Aircraft time: 63,262 hours, 18,268 cycles
- Engine: Pwa PW2037
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 7755386
- Condition: Sticking
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA04329

## Discrepancy

CREW REPORT:  LEFT START VALVE FAILED TO OPEN WITH EICAS MESSAGE.  START VALVE INOP- SOLENOID CLOGGED, HARDWARE (INTERNAL) DAMAGED.  REPLACED START VALVE AND OPS CHECKED OK.


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