# SDR ASAA1158716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 16,181 hours, 4,856 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896302
- Part serial: 3612
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 50,710 hours, 36,677 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1158716

## Discrepancy

ON ENG START WITH START SWITCH IN GRD NO START VALVE OPEN OR N2 INDICATION ON ENG NR 1.  ENG NR 2 START NORMAL.  REPLACED NR 1 ENGINE START VALVE LEAK CHECKED AND TEST GOOD IN REF AMM 80 11 03 000 801 AND AMM 71 00 00 700 821.

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