SDR P5CA2017061800203

Service difficulty report · Shutoff Valve · Boeing 7673JHF

Difficulty date: June 18, 2017
Submitted: June 19, 2017
Operation: Air carrier
Aircraft: N644GT
Make and model: Boeing 7673JHF
Aircraft serial: 37810
Aircraft time: 10,783 hours, 2,641 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Condition: Stuck
Location: Rt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

RIGHT ENGINE HPSOV EICAS IN FL290 DURING CRUISE. ENGINE BLEED SHUTOFF IAW QRH, BLEED LIGHT STAYED ILLUMINATED. BLEED LIGHT GOES ON TO OFF. RT ENGINE HPSOV INSTALLATION, SENSING PIPE LINE, CONNECTOR AND HPC SELENOID SOUND. ON/OFF CHECK IAW AMM 36-11-07, VERIFIED HPSOV IS PROPERLY SECURED CLOSED IAW DDG 36-11-02-02 AND COMFIRMED LIGHT NO FLICKERING WITH ENGINE RUN IAW AMM 71-00-00.

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