As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ELECTRICAL SYSTEM FAILED. LT STARTER RELAY STUCK IN ON POSITION DURING START. STARTER ROTATED TILL BATTERY WAS RUN OUT AS IT WAS A HIGH LOAD. SERVICEABLE RELAY WAS INSTALLED, A NEW BATTERY AND OVERHAULED STARTER WERE INSTALLED, WIRING WAS CHECKED. PROBLEM WAS CORRECTED.