Service difficulty report · Control Valve · Boeing 767322

Difficulty date
April 11, 2011
Submitted
May 5, 2011
Operation
Air carrier
Aircraft
N659UA
Make and model
Boeing 767322
Aircraft serial
27114
Aircraft time
79,778 hours, 12,853 cycles
Engine
Pwa PW4060
Part
Control Valve
Part number
3964622
Part serial
12
Condition
Faulty
Location
Ac Bay
Stage of operation
CL
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

LEFT PACK OFF LT. DEPARTURE TIME WHEN NOTED. NO PACK OFF EICAS MESSAGE WHEN TURNED OFF. REPLACED PACK FLOW CONTROL VALVE PER AMM.