SDR IPXA2017032215413

Service difficulty report · Shutoff Valve · Boeing 76734AF

Difficulty date: March 22, 2017
Submitted: March 27, 2017
Operation: Air carrier
Aircraft: N317UP
Make and model: Boeing 76734AF
Aircraft serial: 27745
Aircraft time: 52,258 hours, 16,886 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Condition: Leaking
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CLIMB, THE RT ENGINE HPSOV CAUTION MESSAGE ILLUMINATED, RAN THE CHECK LIST AND COULD NOT GET BLEED LIGHT TO GO OUT. TROUBLESHOT IAW FIM 36-10-00. FOUND THE HPSOV LOOSE AT VALVE STEM AND LEAKING THRU STEM. R & R AREA AT BOTTOM OF VALVE. R&R'D HPSOV ON RT ENGINE IAW AMM 36-11-07. OPS CHECKED NORMAL.

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