# SDR ASAA2023042743055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2023
- Submitted: May 1, 2023
- Operation: Air carrier
- Aircraft: [N937AK](https://openairdocs.org/aircraft/N937AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44100
- Aircraft time: 3,535 hours, 1,050 cycles
- System (JASC): [8010 · Engine Cranking](https://openairdocs.org/jasc/8010)
- Part: Start Valve
- Part number: 2496M44P02
- Part serial: GRT58018
- Condition: Faulty
- Location: #1 Engine
- Part time: 3,535 hours, 1,050 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023042743055

## Discrepancy

NO IGNITION ON #1 ENG. "ENG VALVE CLOSED" LIGHT EXTINGUISHED AND THEN ILLUMINATED AFTER THE START LEVER WAS RAISED TO IDLE. ABORTED START PER QRH. GROUNDED - YES. REMOVED AND REPLACED #1 ENG STARTER AIR VALVE. NO LEAKS NOTED OPS CHECK GOOD. REF B737-9 AMM 80-11-02.

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