What was found
AIR RETURN DUE AIRCRAFT WOULD NOT PRESSURIZE ON CLIMB-OUT FROM DEN. REMOVED AND REPLACED PRESSURE CONTROLLER AND OPERATIONAL CHECKED PER MM 21-31-00. (W)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR RETURN DUE AIRCRAFT WOULD NOT PRESSURIZE ON CLIMB-OUT FROM DEN. REMOVED AND REPLACED PRESSURE CONTROLLER AND OPERATIONAL CHECKED PER MM 21-31-00. (W)