What was found
DFW - NEITHER PRESSURIZATION SYSTEM WOULD MAINTAIN PRESSURE DURING CLIMBOUT. RETURNED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED THE OUTFLOW VALVE ACTUATOR. SYSTEM GROUND CHECK NORMAL OPERATION.
- Difficulty date
- May 26, 2009
- Submitted
- July 8, 2009
- Operation
- Air carrier
- Aircraft
- N7549A
- Make and model
- Doug DC982
- Aircraft serial
- 53031
- Aircraft time
- 53,857 hours, 27,485 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Inoperative
- Location
- Cabin Pressure
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.