Drilled skin to 702 spar. Marked 404 flange for drilling to 702 spar/405 rib. Clamped 404 to skin & skeleton and drilled flange. Clecoed 404 to 702/405, drilled 801 skin to 404. Removed 404/405 and checked edge distances—all look good. Drilled all skin to spars and ribs with #41 drill.
