As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION FOUND DRIED ALKILINE BATTERY SUBSTANCE ON EXTERIOR OF CASE. OPEND CASE AND FOUND THAT THE BATTERIES, ALKALINE BATTERIES WERE COMING APART AT THE SEAMS AND LEAKING. CLEANED BATTERY COMPARTMENT AND INSTALLED FRESH SET OF BATTERIES. FUNCTION TESTED OK. THIS IS THE THIRD SUCH OCCURENCE THIS YEAR. OF ACID LEAK INTO THE TRANSMITTER. UNIT HAD TO BE REPLACED. (K)