What was found
LOST CABIN PRESSURE AT FL350. EXECUTED EMERGENCY DESCENT AND REGAINED CONTROL OF CABIN IN MANUAL MODE. *S/D* ELECTRONIC BOX NR 1 FAILED ON OUTFLOW VALVE DRIVING THE VALVE OPEN. REPLACED OUTFLOW VALVE AND OPERATIONALLY CHECKED NORMAL.
- Difficulty date
- April 23, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N422UA
- Make and model
- Airbus A320232
- Aircraft serial
- 503
- Engine
- Iae V2527A5
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Malfunctioned
- Location
- Cabin
- Component
- Nord Micro · 6331166394
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.