Service difficulty report · Valve · Boeing 767322

Difficulty date
October 22, 2013
Submitted
October 25, 2013
Operation
Air carrier
Aircraft
N654UA
Make and model
Boeing 767322
Aircraft serial
25392
Aircraft time
89,625 hours, 14,314 cycles
Engine
Pwa PW4060
Part
Valve
Condition
Failed
Location
Lt Engine
Stage of operation
TX
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

CREW REPORT LT ENG AO VLV STATUS MESSAGE WILL NOT CLEAR. DEACTIVATED AO COOLER VLV IN THE OPEN POSITION IAW MM 75-21-2 MEL 7521G, WORK WITH DF723.