What was found
(CAN) AT FL250 LOUD BANG AND PRONOUNCED AIRFRAME VIBRATION. APU INLET DOOR AND ADJACENT SKIN DAMAGED. DOOR AND ACTUATOR REPLACED AND DAMAGE REPAIRED
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AT FL250 LOUD BANG AND PRONOUNCED AIRFRAME VIBRATION. APU INLET DOOR AND ADJACENT SKIN DAMAGED. DOOR AND ACTUATOR REPLACED AND DAMAGE REPAIRED