Service difficulty report · Outflow Valve · Boeing 737522

Difficulty date
May 11, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N922UA
Make and model
Boeing 737522
Aircraft serial
26642
Aircraft time
24,507 hours, 17,687 cycles
Engine
Ge CFM56*
Part
Outflow Valve
Condition
Failed
Location
Aft
Stage of operation
NR
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

DIVERTED TO LAX DUE TO PRESSURIZATION PROBLEMS. *S/D* FOUND MAIN OUTFLOW VALVE RESISTANCE BEYOND LIMITS. REPLACED THE MAIN OUTFLOW VALVE.