SDR P5CA2020100870353

Service difficulty report · Shutoff Valve · Boeing 7673JHF

Difficulty date: October 7, 2020
Submitted: October 8, 2020
Operation: Air carrier
Aircraft: N643GT
Make and model: Boeing 7673JHF
Aircraft serial: 37809
Aircraft time: 18,534 hours, 5,040 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Condition: Faulted
Location: Rt Engine
Stage of operation: CR
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

RT ENGINE HPSOV EICAS AND STATUS MESSAGE IN CRUISE, 3RD WRITE UP. ASBM SHOWS HPSOV FAULT. PERFORMED RT ENGINE RUN UP THEN RT ENGINE HPSOV NORMAL OPT AND NO MESSAGE. ALSO, ASBM NO FAULT AND VERIFY TEST PASSED, IAW AMM TASK 36-23-00-715-001.

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