Using pneumatic squeezer, riveted counterbalance skin to tip ribs and skin; riveted root rib to skin; riveted most of forward spar to skin and riveted bottom of rear spar to skin. Used hand squeezer on rest of rivets for spar and skin. Used -3 cherry max rivets on end of top of rear spar and skin. Used CS4 rivets to rivet counterbalance skin bottom corner to skin. Used 2 MS rivets on tabs.
