Underwater Lighting and a Boat Sinks

Today's installment is a sad one. Its the story of a brand new boat, the buyer's dreamboat if you will, that sank in its slip about 1 month after he took delivery. The photo below shows the hole in the boat that caused the sinking. Hole where under water light fixture was fitted The white ring you can see around the perimeter of the hole is where the flange for the fixture was fitted. The white stuff is the 3-M 5200 used to seal the fitting. So the question is, where's the flange and the ...