# SDR UIEA2014022100077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2014
- Submitted: February 21, 2014
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 73,676 hours, 15,515 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 7998014
- Part serial: 9907024
- Condition: Sticking
- Location: Bleed Air Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014022100077

## Discrepancy

NUMBER 1 ENG PRSOV INTERMITTENTLY STICKS IN INTERMEDIATE POSITION.  REPLACED LT ENG NR 1 PRSOV IAW AMM 36-11-09, OPERATIONS CHECKED NORMAL & LEAK CHECKED NORMAL.

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