Wet Transom- help

[jsylvester08]

So I went to move my Lowrance transducer and decided to repair another old patch that looks like an old screw hole. So I drilled it out to reseal it and water started to drip out. It’s right next to the transom drain. I knocked on the rest and seems very solid but how concerned should I be? It’s a 1986 20SF. You can see in the picture it looks like it was seeping but I’ve never noticed it before. I really don’t want to replace and loose the season. Anyone run use epoxy to fill the small void and get a few more years out of it? Any help would be great.