As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONNECTOR LUGS ON CABLES FROM ALTERNATORS TO TERMINAL STRIP CORRODED CAUSING HIGH RESISTANCE AND OVERHEATING UNDER FULL ALTERNATOR LOAD, NR 1 TERMINAL POST MELTED AWAY FROM TERMINAL STRIP ALLOWING PRIMARY DC WIRING TO CONTACT AIRFRAME STRUCTURE. RESULT: DUAL ALTERNATOR FAILURE, VERY RAPID BATTERY DISCHARGE. SUBMITTER STATED TOTAL ELECTRICAL FAILURE RISK OF FIRE.