Dimpled most of flap tip rib and root rib. Drilled flap skin to root rib. Deburred holes. Filed rounded edges on angle 606A to have it lie properly on flap spar. Drilled pilot holes in angle and then drilled angle to flap spar and then to root rib. Drilled one corner hole too close to edge of rib flange. Drilled another hole in angle, spar, and rib between center hole and corner hole.
