Fitted the F819 aft deak to the upper longerons and marked location for the F811 stab bars per plans Final drilled #30 common holes to upper longerons Clamped F812B control stop to aft deck and drilled to #12 the outside holes per plans and temproarily installed two bolts. Final drilled remaining holes to #30 Clecoed the F811C1 and F811D1 to the aft deck and final drilled #30 the attach holes common with aft deck Verified that every hole in the aft top skin was clecoed to the top bulkheads and the side were flush with upper longerons per plans.