Removed protective vinyl from, cut apart, and deburred Rudder Pedal Support channels, as directed. Dimpled and riveted nutplates to firewall shelf, as directed. Smeared fuel tank sealant on the top surface of the top flange of the firewall bottom. Clecoed then riveted firewall shelf and rudder panel support channels to the forward lower fuselage assembly, as directed. Filled the two tooling holes on the firewall bottom with blind rivets.
