What was found
DURING DEPARTURE, BOTH AUTO PRESSURIZATION CONTROLLERS FAILED AND BOTH CONTROLLERS FAULT AC MOTOR. VERIFY CHECK, NO FAULTS. REPLACED OUTFLOW VALVE ACTUATOR GEARBOX AND AC MOTORS, CHECKS GOOD PER MM CHECK.
- Difficulty date
- September 4, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N988DL
- Make and model
- Doug MD88
- Aircraft serial
- 53339
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Inoperative
- Location
- Cabin
- Component
- 20219742
- 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.