# SDR ASAA2020060132770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: June 2, 2020
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 25,028 hours, 7,966 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896302
- Part serial: 7272
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 55,609 hours, 24,937 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/ASAA2020060132770

## Discrepancy

ON ENGINE START NR 2 ENGINE FAILED TO START.  NR N1 START VALVE DIDN'T OPEN.  REMOVED & REPLACED NR 2 ENGINE START VALVE IAW AMM 80-11-03.

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