As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ELT BATTERY LEAKING CAUSING CORROSION ON THE BATTERY CASE. THE BATTERY WAS LEAKING ALONG A DETERIORATED `POWER CHECK STRIP'P. THE BATTERIES WERE FITTED ON THE 15TH SEPTEMBER 1998 WITH A BEST IF INSTALLED BEFORE JANUARY 2002 DATE.