As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALTERNATOR OUTPUT AND FIELD WIRES CHAFED AGAINST BAFFLE BEHIND ALTERNATOR. FIELD AND OUTPUT SHORTED TOGETHER CAUSING ALTERNATOR RUNAWAY. VOLTAGE RUINED MANY ELECTRICAL COMPONENTS. POTENTIAL FIRE. MASTER SWITCH WOULD NOT SHUT OFF RUNAWAY. SUBMITTER SUGGESTED WIRING INSPECTION AND INSTALLATION OF 60 AMP PULL-TYPE CIRCUIT BREAKER.