What was found
AIR TURNBACK, PRESSURIZATION LEAK AT L1 DOOR. REMOVED AND REPLACED L1 DOOR UPPER GUIDE ARM PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, PRESSURIZATION LEAK AT L1 DOOR. REMOVED AND REPLACED L1 DOOR UPPER GUIDE ARM PER MM.