As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING FLT 3718 - THE CREW REPORTED SMOKE IN THE COCKPIT AND CABIN. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE LEFT GROUND COOLING FAN TO HAVE A POOR ELECTRICAL CONNECTION. MAINTENANCE CLEANED THE AFFECTED CONNECTION, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)