As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED THAT THE GROUND FAN WAS INOPERATIVE. DURING TROUBLESHOOTING WAS FOUND THAT THE CONNECTOR OF THE GROUND FAN WAS BURNED DUE TO A SHORT CIRCUIT. THE UNIT WILL BE SENT TO THE VENDOR FOR INVESTIGATION TO FIND THE ROOT CAUSE.