SDR 9716159995

Service difficulty report · Outflow Valve · Doug DC931

Difficulty date
August 21, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N8978E
Make and model
Doug DC931
Aircraft serial
47327
Part
Outflow Valve
Condition
Failed
Location
Cabin
Stage of operation
CR
Nature of condition
G, J
Precautionary procedure
O

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

What was found

LOSS OF PRESSURIZATION OCCURRED AT 35,000 FEET EN ROUTE. OXYGEN MASKS WERE DEPLOYED THROUGHOUT CABIN AND PRESSURIZATION WAS REGAINED THROUGH MANUAL CONTROL. FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED OUTFLOW VALVE ACTUATOR AND RESTOWED OXYGEN MASKS, OPERATIONAL CHECK NORMAL.

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