Completed step 3 page 17-05. Riveted the W-1204B wing tip aft skin and W-1204A-R wing tip forward skin per Figure 3. Completed step 4 – riveted the W-1204F-R aft wing tip rib to the W-1204A-R and W-1204B wing tip skins per Figure 4 page 17-05. Completed step 5 – fluted the W-1204E-R fwd wing tip rib and then riveted to fwd wing tip skin and W-1204F-R aft wing tip rib per Figure 5. Cut hole for wing tip access opening in W-1204D wing tip closeout per Figure 2 page 40-02 and step 5. Drilled #19 hole per step 6 and Figure 2.
