What was found
CABIN ALT AUTO 1 STATUS MSG. *S/D* AFTER TROUBLESHOOTING FOUND OUT FLOW VALVE MOTOR TO BE FAULTY. REPLACED NR 1 (AFT) AC OUTFLOW VALVE MOTOR PER MM 21-31-05, OP CHECK GOOD. AC OK FOR SERVICE.
- Difficulty date
- June 13, 2008
- Submitted
- July 15, 2008
- Operation
- Air carrier
- Aircraft
- N672UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30027
- Aircraft time
- 30,582 hours, 8,250 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Motor
- Part number
- 20224785
- Part serial
- NA
- Condition
- Faulty
- Location
- Outflow Valve
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.