What was found
LOUD VIBRATION IN FLOOR AND ELECTRICAL SMOKE IN CABIN. AFTER RETURN AND SHUTDOWN, VENT EXTRACT FAN ON ECAM. R & R THE FAN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOUD VIBRATION IN FLOOR AND ELECTRICAL SMOKE IN CABIN. AFTER RETURN AND SHUTDOWN, VENT EXTRACT FAN ON ECAM. R & R THE FAN.