Service difficulty report · Outflow Valve · Boeing 757222

Difficulty date
May 8, 2010
Submitted
May 10, 2010
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
68,844 hours, 20,064 cycles
Engine
Pwa PW2040
Part
Outflow Valve
Part number
60683218
Part serial
29
Condition
Leaking
Location
Cabin Pressure
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

DOOR LEAK AT 3L-R ACCOMPANIED BY HIGH PITCHED SQUEAL. PRESSURIZED TO 4.0 AND ON DESCEND BETWEEN 3.5 TO 3.0 HAD LOUD SQUEAL FROM OUTFLOW VALVE AREA. AMT IN CABIN STATED NOISE WAS VERY LOUD. REPLACED OUTFLOW VALVE.