What was found
THE FASTENER, AT THE POSITIVE TERMINAL ON CELL NR 7, SHEARED, ALLOWING ATTACHING WASHER TO CONTACT THE NEGATIVE TERMINAL, CREATING AN ELECTRICAL SHORT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE FASTENER, AT THE POSITIVE TERMINAL ON CELL NR 7, SHEARED, ALLOWING ATTACHING WASHER TO CONTACT THE NEGATIVE TERMINAL, CREATING AN ELECTRICAL SHORT.