# SDR DL75E081736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2008
- Submitted: December 22, 2008
- Operation: Air carrier
- Aircraft: [N723TW](https://openairdocs.org/aircraft/N723TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 29378
- Aircraft time: 25,249 hours, 9,035 cycles
- Engine: Pwa PW2037
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL75E081736

## Discrepancy

36-11-01 RIGHT ENG BLEED INOP.  FLT CREW PLAC PER MEL 36-11-01 MTC NOTIFIED 1530Z MTC COORD.  FOUND PRSOV WOULD NOT FULLY CLOSE WHEN MANUALLY OPENED PER FIM.  REPLACED SAME ENGINE, RUN CKS GOOD.  MCO/PLACARD REMOVED.

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