Pg. 12-07 Step 4: Separated the Upper and Lower Tailcone Fairings, removed the Tabs, cleaned up the holes and cleared away any loose material. Step 5: Clecoed the Tabs to the inside surface of the Lower Tailcone Fairing. Clecoed the Upper Tailcone Fairing to the Tabs. Step 6: Final-drilled using a Plexiglass #27 drill bit the center holes in the Upper Tailcone Fairing. Removed the Upper Tailcone Fairing and Tabs and cleared away loose material. Step 7: Machine countersunk the nutplate rivet holes in the outside surface of the Tabs. Step 8: Riveted a nutplate to the inside of the inside surface of each Tab.
