# SDR ASAA2015012210404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2015
- Submitted: January 26, 2015
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 6,886 hours, 2,210 cycles
- Engine: Ge CFM567B24
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896302
- Part serial: 14523
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 6,893 hours, 2,212 cycles
- Stage of operation: TX
- 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/ASAA2015012210404

## Discrepancy

START VALVE NR 1 STAYED OPEN AFTER START.  ACFT GROUNDED. R & R NR 1 ENG START VALVE IAW AMM 80-11-03. NR 1 ENG START VALVE TESTS GOOD.  ETOPS GROUND VERIFICATION SUCCESSFUL.

---
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.
