Completed step 2 page 17-05. Riveted W-1213-L tip rib to the rear spar per Figure 2. Riveted the W-1204G-L hand hold and W-1204C wing tip bottom skin per Figure 2 Prepared and primed wing tip fwd and aft skins W-1204-B and W-1204A-L. Fitup and clecoed W-1204B aft skin and W-1204A-L fwd tip skin per step 3 page 17-05. Prepared W-1204F fwd wing tip rib. Fluted W-1204E-L. Primed both parts and clecoed in place.