As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) BATTERY CONTACTOR SUSPECT FAULTY. WIRES W010-0013-24 ANDW010-0038-24 BURNT. INVESTIGATION FOUND THE BATTERY CONTACTOR K0455 PNO 170GC02-500 HAD A DISLODGED LEAF CONTACT ON TERMINAL S. THE LOOSE TERMINAL SHORT CIRCUITED CAUSING EXCESS CURRENT INWIRES.