Mullet wheels wedding

How to fix my laser sailboat's soft spots on the fiberglass deck? - laser deck soft spots

I have a Laser sailboat, and I need to strengthen the bridge, has 3 points on the bridge, and 3 are parallel to each other, both living areas and the area of the foot, I have to be resolved quickly, it's too late.

I thought about sanding and re-place it fiberglassing the use of carbon fiber in place