What was found
AFTER TAKEOFF, UNABLE TO PRESSURIZE THE AIRCRAFT IN AUTO, STANDBY OR MANUAL MODES. REPLACED A/C RELAY UNIT PER BOEING MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, UNABLE TO PRESSURIZE THE AIRCRAFT IN AUTO, STANDBY OR MANUAL MODES. REPLACED A/C RELAY UNIT PER BOEING MM.