As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELT WAS LEAKING ACID FROM THE "D" CELL BATTERIES INSTALLED IN THE UNIT. THIS WAS FOUND DURING ROUTINE INSPECTION. ACID WAS NEUTRALIZED ON AIRFRAME, AND UNIT. AIRFRAME WAS REPRIMED. ELT WAS INSPECTED/CLEANED/NEUTRALIZED. NEW BATTERIES INSTALLED, AND FUNCTION TESTED NORMAL.