As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING GROUND HANDLING IN CARGO COMPARTMENT RAMP PERSONNEL NOTICED AN ELECTRICAL ODOUR, AFTER INVESTIGATION WE FOUND THAT BALLAST AT ROW 6 AB WAS VERY HOT AND THE ODOUR SEEMED TO COME FROM THE BALLAST. BALLAST WAS REMOVED FOR SAFETY PRECAUTION.