As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ROUTINE MAINTENANCE FOUND JELL LIKE SUBSTANCE HAD LEAKED OUT OF BATTERY ON TO BATTERY MOUNT. REMOVED BATTERY, CLEANED UP AREA, REPLACED BATTERY NO FURTHER PROBLEM. CONTACTED DISTRIBUTOR FOR BATTERY, INDICATED NEVER HAD THIS PROBLEM BEFORE. WE HAD NO INDICATION OF THE LEAK, BATTERY STARTED ACFT NORMAL AS WELL AS CHARGED NORMAL AND NORMAL VOLTAGE READING.