Deburred and dimpled E-702R spar. Rivet E-703 end rib to E-704 counterbalance rib. Rivet E-610PP, E-611PP and platenuts to E-702R. Rivet E-709R root rib to E-702. Rivet E-703/704 to E-702. Rivet WD-605-1-r to E-702 and E-709. Dimpled and primed E-713-R counterbalance skin. Finished bending E-701-L elevator skin.