I'm sanding the interior fillets, 80/150/220.  I'm trying to be careful, but see some light spots next to the fillets in a few places on the seats and strakes adjacent to the fillets.  I'm worried that in these few places I may have sanded through to bare wood, but it is a little hard to tell.  Should I be worried about this?  It seems like it would be difficult to do an additional coat of epoxy inside the boat at this point - hard to get it even.

Appreciate any thoughts/advice.

Michael