# SDR ASAA2013022293972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2013
- Submitted: February 26, 2013
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 18,924 hours, 5,950 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32896302
- Part serial: 11027
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 18,924 hours, 5,950 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/ASAA2013022293972

## Discrepancy

HUNG START NR 2 ENGINE, AFTER ABORTING START NR 2 ENGINE START VALVE REMAINED OPEN FOR 4.5 MINUTES.   CHECKED NR 2 ENG CDU NO DEFECTS NOTED. FOUND START VALVE INOPERATIVE.  REPLACED NR 2 ENG START VALVE.  REFER TASK 80-11-03. MEASURED BONDING JUMPER RESISTANCE & RESISTANCE WAS 0.003 OHMS. OPS CKD NR 2 ENG AT IDLE OPS CK NORMAL.  START VALVE OPS NORMAL, NO LEAK NOTED.

---
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.