What was found
AIRCRAFT PRESSURIZATION FAILED ON GROUND. FOUND CABIN OUTFLOW VALVE PRESS ACTUATOR INOP. REMOVED AND REPLACED IAW AMM 21-31-04. SN# OFF UNIT UNKNOWN/ILLEGIBLE.
- Difficulty date
- January 3, 2024
- Submitted
- January 9, 2024
- Operation
- Air carrier
- Aircraft
- N399CM
- Make and model
- Boeing 767323
- Aircraft serial
- 25451
- Aircraft time
- 110,881 hours, 18,991 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Actuator
- Part number
- 202248013
- Part serial
- 10
- Condition
- Failed
- Location
- Unknown
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.