Service difficulty report · Outflow Valve · Cessna 525B

Difficulty date
May 9, 2026
Submitted
May 12, 2026
Operation
General aviation
Aircraft
N525CR
Make and model
Cessna 525B
Aircraft serial
525B0238
Aircraft time
8,541 hours, 6,323 cycles
Part
Outflow Valve
Part number
991240921
Part serial
5012
Condition
Faulted
Location
Aft Cabin
Part time
526 hours, 340 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B, A, I

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

What was found

CABIN DEPRESSURIZED AT FL 450. CABIN RATE CLIMBED AT 3000 FPM, CABIN ALT STOPPED CLIMBING AT 15,000'

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