What was found
ON CLIMB-OUT, PRESSURIZATION UNCONTROLLABLE IN AUTO AND MANUAL. AUTO PILOT PREVIOUSLY ON MEL. FLIGHT RETURNED TO ATL. REPLACED CABIN PRESSURE DIFFERENTIAL SENSOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON CLIMB-OUT, PRESSURIZATION UNCONTROLLABLE IN AUTO AND MANUAL. AUTO PILOT PREVIOUSLY ON MEL. FLIGHT RETURNED TO ATL. REPLACED CABIN PRESSURE DIFFERENTIAL SENSOR.