Removed clecos connecting E-705-L root rib to e-702 spar. Clecoed and drilled WD-605-L-1 elevator horn to E-702 and E-705. Clecoed and final drilled E-606PP trim spar to E-705 root rib. Drilled E-701-L skin to understructure. Drilled E-713 counterbalance skin to E-703/704. Deburred WD-605-L-1 rudder horn.