As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE ANNUAL INSPECTION OF THE ELT, IT WAS DISCOVERED THAT THE BATTERIES WERE TIME-EXPIRED AND VERY LOW VOLTAGE (LESS THAN 1 VOLT FOR 3 OUT OF 4 BATTERIES). THE ELT WAS MARKED ON THE OUTSIDE WITH A STICKER INDICATING THAT THE BATTERIES WERE NEXT DUE IN 2017. (TC# 20140925006)