# SDR ASAA2023080544421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2023
- Submitted: August 7, 2023
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 55,204 hours, 16,485 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896305
- Part serial: 1684
- Condition: Inoperative
- Location: #2 Engine
- Part time: 11,848 hours, 3,341 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023080544421

## Discrepancy

#2 ENGINE START VALVE WILL NOT OPEN. GROUNDED - YES. REMOVED & REPLACED ENG #2 START VALVE REF AMM 80-11-03/401. TWO C/B'S OPEN & TWO C/B'S CLOSED. POWERPLANT TEST REFERENCE TABLE, PROCEDURE C-(1)(B) PNEUMATIC LEAK CHECK ACCOMPLISHED REF AMM TASK 71-00-00. OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.