Riveted the two side skins to the lower longerons, bulkheads, and skin stiffeners, except at bulkhead #5, which must be free for later work. The aft deck was also riveted in place.
Mounted and riveted the aft formers to the bulkheads, tweaked the former flanges, clecoed the top skin in place, then reamed the rivet holes to #30.
