What was found
DURING CLIMB, BOTH AUTO PRESSURE CONTROLLERS WERE INOPERATIVE WITH CABIN AUTO INOPERATIVE STATUS MESSAGE. AIRCRAFT RETURNED TO MSP. REPLACED OUTFLOW VALVE ACTUATOR. SYSTEM CHECK WAS NORMAL.
- Difficulty date
- July 8, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N522US
- Make and model
- Boeing 757251
- Aircraft serial
- 23616
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Act
- Part number
- 20224807
- Condition
- Malfunctioned
- Location
- Cabin
- Part time
- 25,912 hours
- 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.