Completed steps 7 and 8 page 21iS/U-02 Step 7: Machine countersunk #40 the holes in F-12107A per Figure 3. Step 8: Riveted together the three parts including nutplates asshown in Figure 3.
Received the new CR3213-4-8 rivets to complete step 11 page 20iS/U-06. New rivets worked swucessfully!
