What was found
AUTO PRESSURIZATION SYSTEM FAILED AFTER TAKEOFF. OUTFLOW VALVE WENT FROM FULL OPEN TO FULL CLOSED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CABIN PRESSURE AMPLIFIER, OPERATIONAL CHECK NORMAL.
- Difficulty date
- October 20, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N609NW
- Make and model
- Doug DC932
- Aircraft serial
- 47234
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Amplifier
- Part number
- 94840213
- Condition
- Malfunctioned
- Location
- E/E Compartment
- Part time
- 36,691 hours
- Stage of operation
- CL
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.