# SDR UIEA2017121202395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2017
- Submitted: December 12, 2017
- Operation: Air carrier
- Aircraft: [N1997A](https://openairdocs.org/aircraft/N1997A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27310
- Aircraft time: 92,883 hours, 18,396 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 80217012
- Part serial: 200009191
- Condition: Failed
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017121202395

## Discrepancy

L ENG HPSOV CAUTION EICAS INTERMITTENT ON AT REPEAT TAKEOFF LEVEL OFF DESCENT , L ENG HPSOV STATUS MSG ON AFTER TAKEOFF (<P>REMOVED AND REPLACED L ENG HPSOV REF AMM 36-11-07 , PERFORMED AIR SUPPLY CONTROL SYS. BITE CHECK REF AMM 36-23-00 BITE OK PASSED. LEAK CHECK OK</P>)

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