Attached is a pdf of the range top measurements. According to Airstream the Corian is attached to the bi-fold range cover with double sided foam tape. So maybe I can get the Corian off in order to work with it. If so I should be able to cut off the damaged piece an inch or so work in a solid black piece along the edge. But I am not sure how that would hold up using double side foam tape to hold the 2 pieces to the cover. I would think epoxy would work better to hold the Corian to the metal cover.
1976 31' Sovereign