What was found
CABIN AUTO INOP IN CLIMB (AIR RETURN). REMOVED AND REPLACED OUTFLOW VALVE ACTUATOR, PER AMM 21-31-05. PERFORMED AUTO 2 CABIN PRESSURE CONTROLLER POST INSTALLATION TEST, PER AMM 21-31-02 SATISFACTORY.
- Difficulty date
- December 15, 2020
- Submitted
- December 30, 2020
- Operation
- Air carrier
- Aircraft
- N757QM
- Make and model
- Boeing 75729J
- Aircraft serial
- 27203
- Aircraft time
- 60,616 hours, 32,772 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Actuator
- Part number
- 20210202248011
- Part serial
- 104396
- Condition
- Faulted
- Location
- Outflow Valve
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.