SDR SWAA102322

Service difficulty report · Controller · Boeing 7377H4

Difficulty date
April 24, 2010
Submitted
April 28, 2010
Operation
Air carrier
Aircraft
N237WN
Make and model
Boeing 7377H4
Aircraft serial
34632
Aircraft time
15,059 hours, 8,933 cycles
Part
Controller
Part number
71211997101AC
Part serial
9512055
Condition
Faulty
Location
Cabin Pressure
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

AIR TURNBACK, ACFT FAILED TO PRESSURIZE ON CLIMBOUT. OUTFLOW VALVE NOT MOVE IN AUTO, MOVED IN MANUAL ONLY. REMOVED AND REPLACED NR 1 CABIN PRESSURE CONTROLLER PER MM.

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