What was found
RETURNED TO FIELD DUE TO CABIN PRESSURIZATION PROBLEMS. AUTO CABIN INOP EICAS MESSAGE. MANUAL CONTROL FAILED ON DESCENT. *S/D* THE OUTFLOW DOOR DC MOTOR WAS FOUND TO FAIL WHEN COLD SOAKED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO FIELD DUE TO CABIN PRESSURIZATION PROBLEMS. AUTO CABIN INOP EICAS MESSAGE. MANUAL CONTROL FAILED ON DESCENT. *S/D* THE OUTFLOW DOOR DC MOTOR WAS FOUND TO FAIL WHEN COLD SOAKED.