SDR DXTA2010021503983

Service difficulty report · Outflow Valve · Cessna 560CESSNA

Difficulty date: February 15, 2010
Submitted: February 15, 2010
Operation: Air carrier
Aircraft: N810QS
Make and model: Cessna 560CESSNA
Aircraft serial: 5600625
Aircraft time: 5,076 hours, 4,036 cycles
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Outflow Valve
Part number: 991240917
Part serial: 808
Condition: Failed
Location: Cabin Pressure
Part time: 5,076 hours, 4,036 cycles
Stage of operation: CR
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

LEVEL AT 14,000 FT, CABIN LOST PRESSURIZATION. CABIN WAS CLIMBING AT 3,000 FPM DURING DESCENT. CABIN STAYED AT 2,000 FT UNTIL WE WERE BELOW 8,000 FT OF ALT. CABIN EVENTUALLY CAME DOWN TO FIELD PRESS. R & R PRIMARY OUTFLOW VALVE IAW MM CH 21-32-00. OPERATION PRESSURED LEAK CHECK GOOD.