Service difficulty report · Control Valve · Boeing 767322

Difficulty date
June 14, 2012
Submitted
July 20, 2012
Operation
Air carrier
Aircraft
N649UA
Make and model
Boeing 767322
Aircraft serial
25286
Aircraft time
87,066 hours, 13,897 cycles
Engine
Pwa PW4060
Part
Control Valve
Part number
3964622
Part serial
30
Condition
Faulty
Location
Ac Bay
Stage of operation
NR
How discovered
O
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

LEFT PACK INOP WILL NOT RESET. REPLACED LEFT FLOW CONTROL CARD IN P50 CARDFILE PER MM, ALSO LEFT FLOW CONTROL VALVE PER MM, PACK OPS NORMAL.