As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED TOTAL ELECTRICAL FAILURE FOUND BATTERY CONTACTOR INOPERATIVE. NO POWER FROM BATTERY SWITCH TERMINAL. OPEN CIRCUIT. CONTACT LAST CHANGED ON 10-5-98. INFO ON CONTACTOR LABEL: W-4/RBM. PN 8781-9 COIL 24 VDC CONT. SN S-1580A1.