As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE WIRING BUNDLE FROM THE LANDING GEAR INDICATOR LIGHTS AND LANDING GEAR SELECTOR HANDLE ASSEMBLY CHAFED AGAINST THE LIGHTING BUS BAR ASSEMBLY PENETRATING THE INSULATION AND SHORTING THE WIRE TO THE BUS BAR. THIS ALLOWED UNREGULATED CURRENT FLOW THROUGH THE ACFT CAUSING EXTENSIVE ELECTRICAL DAMAGE.