As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY CASE CRACKED FROM LEAKING BATTERY CELLS. BATTERY CELLS ENCLOSED IN HARD PLASTIC CASE. MANUFACTURER REP REPORTED CRACK WAS FROM HIGH CABIN TEMPS DUE TO SITTING OUTSIDE IN SUN THAT WAS CAUSING PROBLEM. THIS IS SECOND CONSECUTIVE ANNUAL ON THIS ACFT THAT FOUND ELT CASE DAMAGED DUE TO LEAKING BATTERY PACK.