As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2964, THE CREW REPORTED SMOKE IN THE AIRCRAFT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE LEFT HAND GROUND COOLING FAN TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED FAN IN ACCORDANCE WITH EMB-120 M/M 21-51-03, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.