Removing old jib tracks from the deck (all unused, sheets are led to blocks attached to padeyes now):
Balsa core under the aft portside track was pretty rotted, and the fiberglass had even collapsed in from overtightening. Reaming it out:
The aftermath:
Prepping the diesel tank inspection hatch with new holes for fuel sending unit and Espar fuel pickup (easier to drill the hatch than the tank):
Inspection hatch with new hardware fitted:
Same treatment for the freshwater tank - sending unit holes drilled: