# SDR P5CA2017012700052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2017
- Submitted: January 27, 2017
- Operation: Air carrier
- Aircraft: N644GT
- Make and model: Boeing 767-3JHF
- Registry model: [Boeing 767-3JHF](https://openairdocs.org/model/boeing-767-3jhf) (OpenAirDocs)
- Aircraft serial: 37810
- Aircraft time: 9,688 hours, 2,404 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Condition: Malfunctioned
- Location: Nr 1 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/P5CA2017012700052

## Discrepancy

FOUND NR 1 ENGINE HPSOV CANNOT CLOSE DURING PNEUMATIC SYSTEM HEALTH CHECK.  REPLACED HPCIAW AMM 36-11-08-004-006-007 REV 120 AND AMM 36-11-08-404-014-007 REV 120.   PERFORMED A NR 1 ENG DRY MOTORING FOR HPC PNEUMATIC LINE CONNECTIONS, LEAK CHECK RESULTS: NO LEAK FOUND IAW AMM 71-00-00-712-168 REV 120.

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