What was found
AIR TURNBACK, AIRCRAFT FAILED TO PRESSURIZE AT LIFT-OFF. REMOVED AND REPLACED NR 2 CABIN PRESSURE CONTROLLER PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, AIRCRAFT FAILED TO PRESSURIZE AT LIFT-OFF. REMOVED AND REPLACED NR 2 CABIN PRESSURE CONTROLLER PER MM.