SDR NACA2022081800001

Service difficulty report · None · Boeing 767

Difficulty date: August 18, 2022
Submitted: September 1, 2022
Operation: Air carrier
Aircraft: N321CM
Make and model: Boeing 767
Aircraft serial: 29431
Aircraft time: 85,203 hours, 14,372 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: None
Condition: None
Stage of operation: CL
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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