Riveted the left Elevator spar to the top of the elevator skin. Riveted the stiffeners to the top and bottom of the left elevator skin. Riveted the trim tab plate (with nutplates) to the left elevator skin. Riveted the counterbalance assembly to the left elevator. Riveted in the gusset to the trim tab spar and rib. Riveted the bottom of the trim tab spar to the elevator skins. Riveted the tip and root ribs to the skin. Ready to finish the trailing edge.