# SDR ASAA2022120441029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2022
- Submitted: December 6, 2022
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41731
- Aircraft time: 37,631 hours, 11,762 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896305
- Part serial: 11106
- Condition: Faulted
- Location: Nr 1 Engine
- Part time: 48,872 hours, 14,684 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022120441029

## Discrepancy

#1 ENGINE WOULD NOT START DURING PUSH BACK. GROUNDED - YES. START VALVE REPLACED REF B737-900 AMM 80-11-03. ACCOMPLISHED PNEUMATIC LEAK CHECK REF AMM 71-00-00-700-809-F00. LEAK CHECK GOOD. OPS CHECK GOOD. NO DEFECTS NOTED.

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