What was found
CELL BURNT WHILE BATTERY WAS ON FINAL CHARGE. REPLACED CELL WITH NEW ONE, COMPLETED CHARGE AND RETURNED BATTERY TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CELL BURNT WHILE BATTERY WAS ON FINAL CHARGE. REPLACED CELL WITH NEW ONE, COMPLETED CHARGE AND RETURNED BATTERY TO SERVICE.