Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
April 3, 2008
Submitted
April 4, 2008
Operation
Air carrier
Aircraft
N671UA
Make and model
Boeing 767322
Aircraft serial
30026
Aircraft time
30,464 hours, 8,224 cycles
Engine
Pwa PW4056
Part
Shutoff Valve
Condition
Leaking
Location
Fuel System
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

LEFT O/B FUEL VALVE LEAKING THROUGH MANUAL OPERATION KNOB. FOUND LEAKING FUEL SHUT OFF VALVE ALSO FOUND A FAULTY RELAY K180 FOR VALVE OPERATION. REPLACED 1 EACH VALVE AND 1 EACH RELAY. AC OK FOR SERVICE.