Service difficulty report · Control Valve · Boeing 767322

Difficulty date
June 1, 2012
Submitted
July 20, 2012
Operation
Air carrier
Aircraft
N649UA
Make and model
Boeing 767322
Aircraft serial
25286
Aircraft time
86,911 hours, 13,876 cycles
Engine
Pwa PW4060
Part
Control Valve
Part number
3964622
Part serial
41
Condition
Stuck
Location
Lt A/C Pack
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FOUND LT PACK FLOW CONTROL VALVE STUCK CLOSED. REPLACED LEFT FLOW CONTROL VALVE, OPS CHECKED GOOD ON GROUND.