Prepped and drilled both E-714 elevator counterweights, using drill oil and drill press. Used drilled counterweights as guides, and drilled holes in end ribs and counterbalance ribs. Removed counterweights and re-clecoed counterbalance skins to end ribs and counterbalance ribs. Clecoed end rib assemblies and E-705/9 root ribs to elevator spars. Match-drilled root ribs to E-702 spars. Clecoed elevator skins to ribs and spars. Remove root rib clecos and ream powdercoating off of WD-605-10-R/L elevator horns. Clecoed elevator horns to spars and ribs and match-drilled holes. Match-drilled both elevator skins to understructures. Studied plans to figure out riveting sequence. Match-drilled counterbalance skins to end ribs and counterbalance ribs. Disassembled both elevators for deburring and dimpling.