The Right Bellcrank assembly was located and drill on the SNX-W21-01R Rib. Once complete, all parts were disassembled, deburred, and primed with Zinc Oxide. Then all parts were riveted completing the SNX-W21-01R Aileron Bellcrank Rib. The Fore and Aft channels were located on the SNX-W21-01L Rib, drilled and cleco'd The SNX-W21-09 Clips were located, drilled and cleco'd. The Left Bellcrank Assembly was located, drilled and cleco'd. Again, everything was disassembled, deburred and primed before reassembly and riveting to complete the SNX-W21-01L Bellcrank Rib.