What was found
LGA - CREW REPORTED BOTH AUTO PRESSURE CONTROLS FAILED. EMERGENCY DECLARED FLIGHT RETURNED LGA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED OUTFLOW VALVE ACTUATOR. SYSTEM GROUND CHECK NORMAL OPERATION.
- Difficulty date
- November 13, 2011
- Submitted
- November 15, 2011
- Operation
- Air carrier
- Aircraft
- N978TW
- Make and model
- Doug DC983
- Aircraft serial
- 53628
- Aircraft time
- 35,011 hours, 16,819 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Actuator
- Condition
- Failed
- Location
- Outflow Valve
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- G
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.