# SDR UIEA2018011600071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2018
- Submitted: January 16, 2018
- Operation: Air carrier
- Aircraft: [N1049A](https://openairdocs.org/aircraft/N1049A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30109
- Aircraft time: 78,461 hours, 10,130 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Priority Valve
- Part number: 80217010
- Part serial: 200005028
- Condition: Failed
- Location: Lt Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018011600071

## Discrepancy

LEFT PRV VALVE POSITION INDICATION ON AIR SUPPLY MONITOR SHOWS ERROR.  REMOVED AND REPLACED NR 1 ENGINE PRV VALVE IAW AMM 36-11-18.

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