Service difficulty report · Shutoff Valve · Boeing 7377H4

Difficulty date
July 18, 2022
Submitted
July 22, 2022
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
60,091 hours, 35,755 cycles
Part
Shutoff Valve
Condition
Leaking
Stage of operation
CL
How discovered
9
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

#1 ENGINE OVERHEAT LIGHT ON CLIMB OUT AT FL210 LIGHT WENT OUT WHEN THRUST WAS REDUCED / [01] REF LOGPAGE 1946463 COMPLIED WITH FIM 26-10 TASK 811. FOUND LEAKING #1 ENGINE PRSOV. R&R PRSOV PER AMM 36-11-04. PERFORMED HIGH POWER ENGINE RUN PER AMM 71-00-00. NO DEFECTS NOTED AT THIS TIME.

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