Finished drilling Wing tip to fit nut plates and riviting them on. put in a 3x2 flat head rivit in skin holes not being used to mount wing tip. Drilled and cut out wing tio so it will slide in with no interference from rivits. mounted wing tip on wing and put in all screws to check fit. Wing tip complete. Also double checked fuel tank sending unit for proper ohm readings for empty and full. Also connected ground strap to fuel tank
