Service difficulty report · Control Valve · Boeing 767322

Difficulty date
July 11, 2011
Submitted
August 2, 2011
Operation
Air carrier
Aircraft
N644UA
Make and model
Boeing 767322
Aircraft serial
25094
Aircraft time
85,903 hours, 13,752 cycles
Engine
Pwa PW4060
Part
Control Valve
Part number
3987505
Part serial
44
Condition
Faulty
Location
Ac Bay
Stage of operation
IN
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

DURING BITE TEST OF LEFT PACK CONTROLLER TEMP CONTROL VALVE LIGHT ILLUMINATED. REPLACED LEFT PACK TEMP CONTROL VALVE, OPS CHECK NORMAL.