# SDR UALA2011051702432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2011
- Submitted: May 19, 2011
- Operation: Air carrier
- Aircraft: [N219UA](https://openairdocs.org/aircraft/N219UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30551
- Aircraft time: 43,200 hours, 5,318 cycles
- Engine: Pwa PW40903
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 10011003
- Part serial: 98
- Condition: Faulty
- Location: Nr 1
- 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/UALA2011051702432

## Discrepancy

LEFT START VALVE POSITION DISAGREES WITH COMMANDED POSITION.  ADVISORY MSG01- NOT ACTIVE ENGINE START MODE DEPENDENT; STARTER AIR VALVE (SAV) (L ENG) IS NOT IN COMMANDED POSITION.  DB- ELECTRONIC ENGINE CONTROL (L ENG, CH A) O.K. TO DEFER START VALVE PER MEL 8011B. REVIEWED WITH SAMC.  START VALVE REPLACED.

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