Service difficulty report · Shutoff Valve · Boeing 76734AF

Difficulty date
December 7, 2022
Submitted
December 8, 2022
Operation
Air carrier
Aircraft
N309UP
Make and model
Boeing 76734AF
Aircraft serial
27740
Aircraft time
64,767 hours, 21,836 cycles
Part
Shutoff Valve
Condition
Faulted
Location
Cabin Air
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

EICAS MESSAGE FWD EQPT VAL LIGHT ILLUMINATED ON CLIMB OUT. RAN QRH PROCEDURE EQUIPMENT VALVE SELECTOR TO STBY LIGHT EXTINGUISHED. R&R FDAR SHUTOFF VALVE PER MM 21 58 43 401 OPS CHECK GOOD ESR 21 22 52 04A

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