Section 21 Deburred and Primed F-1048F Facet Pump Bracket. Pg. 21-19 Step 9: Clecoed the Facet Pump Bracket to the Bottom Skin and final drilled #30 the four common holes. Step 10: Removed the bracket, final drilled #40 and countersunk the nutplate rivet holes. The riveted the nutplates to the bracket. Step 11:Riveted the Facet Pump Bracket to the Bottom Skin.