# SDR ASMF201602005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2016
- Submitted: February 9, 2016
- Operation: Air carrier
- Aircraft: [N958AM](https://openairdocs.org/aircraft/N958AM), registered now
- Make and model: Boeing 737-800
- Registry model: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (OpenAirDocs)
- Aircraft serial: 39958
- Aircraft time: 48,022 hours, 16,875 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 32145526
- Part serial: 11083
- Condition: Leaking
- Location: Bleed Air Sys
- Part time: 14,766 hours, 7,109 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201602005

## Discrepancy

DURING TRANSIT CHECK, IT WAS DETECTED A LOW PRESS IN BOTH PNEUMATIC VENTS.  PERFORMED REVISION IAW 36-11-00, DETECTING A PNEUMATIC LEAK IN THE LT ENG PRSOV.  THE LT ENG PRSOV WAS REPLACED IAW AMM 36-11-04, TESTED CORRECT.

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