Service difficulty report · Seal · Boeing 737322

Difficulty date
December 9, 2006
Submitted
December 13, 2006
Operation
Air carrier
Aircraft
N313UA
Make and model
Boeing 737322
Aircraft serial
23674
Aircraft time
55,460 hours, 30,185 cycles
Engine
Ge CFM56*
Part
Seal
Condition
Failed
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

AIRCRAFT WOULD NOT PRESSURIZE DURING ASCENT. FOUND APU PNEUMATIC DUCT FOWARD PRESSURE SEAL NOT SECURED (CLAMP OFF). SECURED PRESSURE SEAL.