Built left and right fuselage tail cone sides. Bend 7 degree bend on front of skins. Make sure you have a left and a right skin before bending. Layed out top and bottom longerons per plans and drilled to match skins. Drilled side wall support bracing #40, Deburred everything, dimpled lower skin were for bottom longeron and side support bracing. Machine couter sink bottom longerons. Cleco everything back together and rivet. Do not up drill or rivet top longeron at this time. Will wait until top skin is installed.