Drill and countersink inboard top skin and wing walk doublers

I clecoed the wing walk doubles and inboard top skins to the spars and ribs.

Match drill #40 rivet holes for nut plates along inboard edge.

Final drilled #19 the screw holes and dimpled the one furthest aft.

Final drilled #40 and countersunk all of the holes in the skin that are common to the wing walk doublers.

Disassembled everything.