SDR SWAA081267

Service difficulty report · Outflow Valve · Boeing 7377H4

Difficulty date
March 7, 2008
Submitted
March 11, 2008
Operation
Air carrier
Aircraft
N239WN
Make and model
Boeing 7377H4
Aircraft serial
34714
Aircraft time
6,828 hours, 3,981 cycles
Part
Outflow Valve
Part number
2079801
Part serial
0646902
Condition
Stuck
Location
Cabin Pressure
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

DIVERSION - ON CLIMBOUT PASSING FL 300, CABIN ALTITUDE WARNING HORN CAME ON. FOUND FWD OUTFLOW VALVE STUCK. REMOVED AND REPLACED OUTFLOW VALVE PER MM.

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