Bolted the inboard landing gear weldments to the landing gear towers. Torqued and torque striped the nuts. Installed, torqued and torque striped the bottom aft angles to the LG towers. Riveted the outboard landing gear weldments to the landing gear towers. Match drilled the forward and aft lower angles to the forward floor. Riveted the aft lower angle to the floor (the forward ones don't get installed until later). Clecoed the forward and aft upper braces to the mid-cabin braces and the throttle quadrant bracket to the to the LG boxes, Matched drilled all holes. Removed the braces and throttle bracket. Machine countersank the nutplate attach rivet holes in the mid-cabin braces. Deburred all holes.
