Positioned the W-1210B-L inbd Upper Wing Skin on the Wing Skeleton as shown in Figure 3 page 17-03. Cleco'ed then riveted the inbd upper wing skin to the skeleton leaving open the noted holes in the figure.
Cleco'ed the W-1203B-L Outbod Upper Wing Skin to the wing skeleton as shown in Figure 4 page 17-03. Riveted the outbd upper wing skin to the skeleton leaving holes open as shown in same figure.
