# SDR ASAA2021032234381

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2021
- Submitted: March 24, 2021
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 21,561 hours, 6,854 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896302
- Part serial: 17127
- Condition: Inoperative
- Location: Nr 2 Engine
- Part time: 21,555 hours, 6,852 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021032234381

## Discrepancy

#2 START VALVE OPEN LIGHT REMAINED ILLUMINATED AFTER START SWITCH RELEASED TO OFF. GROUNDED - YES. REMOVED AND REPLACED #2 ENG START VALVE PER B737-900 80-11-03 OPS CHECK NORMAL.

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