Installed SB437-4 snap bushings to L wing ribs. Rerouted AOA line separated from pitot line. Match drilled all R flap ribs to bottom skin. Drilled hinge to right flap spar. Match drilled R flap top skin. Fabricated FL-706A and FL-706B R flap brace. Match drilled FL-706 R flap brace to end rib and spar.