Dimpled the W-1201-R Inbd Wing Skin in two places as shown in Figure 1 page 17-02. Cleco'ed the W-1201A Doubler to the inbd wing skin and to the bottom flange of the Front Spar Assembly per figure 1 same page.
Final Drilled #20 the holes in the doubler, inbd wing skin, and flange of the Front Spar Assembly for the eight BSPQ rivets per figure 1 same page. Disassembled and deburred all holes.
Cleco'ed the inbd wing skin to the entire bottom of the wing and cleco'ed the doubler in place per figure 1 same page.
Riveted the inbd wing skin and doubler to the bottom of the wing leaving the outboard holes open as well as the wing walk doubler holes on the leading edge. Used CS4-4 flush head rivets for dimpled holes, BSPQ-5-2 for the 8 holes drilled in the doubler, 1 CR3213-4-3 at the tip of the doubler and the rest LP4-3 rivets.
Final Drilled 3/8 the #30 hole in the W-1203-R Outboard Wing Skin for the Tie Down Ring per Figure 2 same page. Cleco'ed then riveted the W-1203-R Outboard Wing Skin to the wing skeleton leaving the inboard and outboard rivet holes open and the leading edge holes and the holes for the W-1216B Hinge Ribs. Per Figure 2 Same Page.
