Completed seat back supports F-705J,K, and L. Cut, bent, drilled, deburred, primed, and riveted in place. Completed holes in F-601 Brake support brace and riveted to firewall. Riveted in F-601K recess to firewall. Completed Bellcrank and hardware and put in place. Completed Elevator Push Pull Tube and set into place. Temporarily installed the flap actuator and drilled and placed center bearing block. Drilled holes for steps and drilled bearing blocks. Need to complete fitting of steps prior to attachment to fuselage.