As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUTBOUND CREW OF FLT 782 CALLED MTC TO REPORT CLOCKS INOP. MX FOUND THE MAIN BATTERY CHARGER INOP AND BATTERIES LOW. REPLACED CHARGER AND BATTERIES AND CLEARED ITEM. WHEN CREW NEXT ATTEMPTED TO START APU THEY HAD A FAULT LIGHT AND ECU FAULTED THE STARTER MOTOR. MTC INVESTIGATED AND FOUND STARTER MOTOR SHOWED SIGNS OF ELECTRICAL OVERHEAT AND DAMAGED. ELECTRICAL HARNESS FOR STARTER AND APU GEN ALSO DAMAGED. REPLACED APU ASSY PER M/M. REPLACED R2-63 RELAY PER M/M MCO/PLAC REMOVED.