What was found
RETURNED TO FIELD DUE TO CABIN PRESSURE PROBLEMS. AUTO PRESS MODE FAILED. *S/D* THE OUTFLOW DOOR DC MOTOR WAS FOUND TO FAIL WHEN EXPOSED TO COLD SOAK NOT ALLOWING THE AC MOTOR TO OPERATE.
- Difficulty date
- November 17, 2003
- Submitted
- March 11, 2004
- Operation
- Air carrier
- Aircraft
- N620UA
- Make and model
- Boeing 767222
- Aircraft serial
- 21880
- Aircraft time
- 73,501 hours, 18,885 cycles
- Engine
- Pwa JT9D7R4D
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Actuator
- Part number
- 202248010
- Condition
- Failed
- Location
- Outflow Valve
- Part time
- 37,502 hours, 13,892 cycles
- 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.