I actually think this is how rainwater has been getting in, following the rubber strip, which would put it right into these holes. There's a video for those with very fast connections. It's 30Meg in size, so warning it's big:
The boat is a 2000 Beneteau 50.
Great minds discuss ideas;
Average minds discuss events;
Small minds discuss people.
The best minds discuss sailing, anchors, batteries, rode length, fridge-or-not, freezer-or-not, and guns-on-board. I don't know why. It's a mystery!