Final drilled the two F804N bulkhead caps on Center Section and removed from plane Final drilled #40 nutplate attach holes in aft side skins Clecoed and final drilled #30 holes in Rudder Stops Unclecoed the aft bottom skin and clamped tailspring mount to F811 and F812 bulkheads per plans and drilled #30 the two holes in F811 bulkhead that will be used to attach tailspring mount Used template from plans to mark and remove portion of the bottom skin to accomodate the tail spring. Filled aft end of aft bootom skin to allow adequate clearance between skin and tailspring mount
