What was found
AFTER TAKEOFF, THE AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED OUTFLOW VALVE ACTUATOR, OPERATIONAL CHECK OK.
- Difficulty date
- January 19, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N763NW
- Make and model
- Doug DC941
- Aircraft serial
- 47396
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Out Flow Valve
- Condition
- Failed
- Location
- Cabin
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.