Service difficulty report · Control Valve · Boeing 757222

Difficulty date
October 23, 2010
Submitted
October 28, 2010
Operation
Air carrier
Aircraft
N596UA
Make and model
Boeing 757222
Aircraft serial
28749
Aircraft time
50,121 hours, 13,986 cycles
Engine
Pwa PW2037
Part
Control Valve
Part number
3987505
Part serial
12742
Condition
Faulty
Location
Cabin Temp
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

CAN NOT CONTROL CABIN TEMPERATURE. REPLACED TEMP CONTROL VALVE. ALL OPS NORMAL.