Service difficulty report · Shutoff Valve · Boeing 7673Y0

Difficulty date
March 30, 2021
Submitted
April 2, 2021
Operation
Air carrier
Aircraft
N1181A
Make and model
Boeing 7673Y0
Aircraft serial
26206
Aircraft time
89,656 hours, 22,578 cycles
Part
Shutoff Valve
Condition
Intermittent
Location
Nr 1
Stage of operation
IN
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 HPSOV ONLY OPERATES PARTIALLY(<P>REMOVED AND REPLACED #1 ENG HPSOV PER M/M 36-11-05-400-802-001. LEAK & FUNCT CHECK GOOD REQUIRES RUN-UP OPS CHECK.</P><P>PERFORMED POST INSTALLED CHECK IAW AMM 36-11-05 OP CHECK FOUND NORMAL NO LEAKS NOTED.</P>)

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