Service difficulty report · Outflow Valve · Cessna 550

Difficulty date
May 23, 2005
Submitted
May 26, 2005
Operation
Air carrier
Aircraft
N304CS
Make and model
Cessna 550
Aircraft serial
5500847
Aircraft time
4,222 hours, 3,204 cycles
Part
Outflow Valve
Condition
Malfunctioned
Location
Cabin Pressure
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
G, B, A

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

What was found

AT FL 350 EXPERIANCED LOUD BANG AND RAPID LOSS OF PRESSURIZATION. DECLARED EMERGENCY, DESCENDED RAPIDLY AND DEPLOYED PASSENGER OXYGEN MASKS (2 PAX ON BOARD). DIVERTED TO DALLAS LOVE FIELD AND LANDED ASAP. AIRCRAFT INSPECTED AND REPAIRED AT FACTORY AUTHORIZED SERVICE CENTER, JET AVIATION. OUTFLOW VALVE WAS REPLACED AFTER ALL SYSTEM FUNCTION TESTS WERE COMPLIED WITH AND NO DEFINITIVE CAUSE WAS IDENTIFIED. THE AIRCRAFT COMPLIED WITH AN OPERATIONAL CHECK FLIGHT AND NO DEFECTS NOTED.

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