SDR SWAA112857

Service difficulty report · Controller · Boeing 7373H4

Difficulty date
April 17, 2011
Submitted
April 20, 2011
Operation
Air carrier
Aircraft
N353SW
Make and model
Boeing 7373H4
Aircraft serial
24889
Aircraft time
66,862 hours, 57,812 cycles
Part
Controller
Part number
7638106
Part serial
80A2381
Condition
Faulty
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 / DECLARED EMERGENCY. PRESSURIZATION FAILURE AT 34,000FT, CABIN ALT HORN CAME ON AND CABIN APPROACHED 13,000. REMOVED AND REPLACED CABIN PRESSURE CONTROLLER AND MAIN OUTFLOW VALVE PER MM.

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