Riveted R-713 counterbalance skin to R-703 tip rib. Riveted tip rib assembly, R-704 bottom rib, R-606PP, 7PP, 8PP spar reinforcement plates, R-405PD rudder horn, R-717 shim and platenuts to R-802PP rudder spar. Clecoed R-710 rudder horn brace in place. Ordered new squeezer yokes; flange yoke and narrow tip yoke requred for further assembly.