# SDR NACA2022081800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2022
- Submitted: September 1, 2022
- Operation: Air carrier
- Aircraft: [N321CM](https://openairdocs.org/aircraft/N321CM), registered now
- Make and model: Boeing 767
- Registry model: [Boeing 767](https://openairdocs.org/model/boeing-767) (OpenAirDocs)
- Aircraft serial: 29431
- Aircraft time: 85,203 hours, 14,372 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2022081800001

## Discrepancy

L HPSOV ON CLIMB OUT OF LAX, CHECKLIST COMPLETED. MX CONTROL DIRECTED TO RESET BLEED AND PACK, MSG DID NOT RETURN  UNTIL FINAL APPROACH. PERFORMED FIM 36-10 FAULT TREE 833 HPSOV WIRE FAULT MESSAGE. CHECKED WIRES FROM LH HPSOV TERMINALS TO DISCONNECT D17066P, WIRES CHECK OK FAULT CLEARED.

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