# SDR ASAA2015072612593

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2015
- Submitted: July 28, 2015
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 33,126 hours, 10,093 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 32145526
- Part serial: 10171
- Condition: No Test
- Location: Nr 2 Engine
- Part time: 27,189 hours, 8,787 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015072612593

## Discrepancy

NR 2 ENGINE PRSOV AND PRECOOLER CONTROL VALVE FAIL CONTROL PRESSURE CHECK, REF T/C NG-36WC-00001.  FOUND BRAIDED LINE LEAKING ON NR 2 ENGINE.  ACFT GROUNDED.  REPLACED NR 2 ENGINE PRSOV REF MM 36-11-04.  REPLACED NR 2 ENG PRECOOLER CONTROL VALVE, REF MM 36-12-02.  REPLACED BRAIDED LINE, LEAK CHECKED 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.