Service difficulty report · Actuator · Boeing 757222

Difficulty date
April 20, 2010
Submitted
April 26, 2010
Operation
Air carrier
Aircraft
N544UA
Make and model
Boeing 757222
Aircraft serial
25322
Aircraft time
69,378 hours, 19,951 cycles
Engine
Pwa PW2040
Part
Actuator
Part number
20224806U1
Part serial
57
Condition
Faulty
Location
Outflow Valve
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

CABIN PRESSURIZATION OUTFLOW VALVE WILL NOT CLOSE IN MANUAL MODE. REPLACED FAULTY OUTFLOW VALVE ACTUATOR, OPS CK NORMAL.