Cleaned up excess sealant on the Firewall Upper. Pg 29-03 Step 2: Match-drilled #30 the the Mid Cowl Hinges to the Firewall Spacers and Side Skins. Deburred the parts. Step 3: Clecoed and riveted the Mid Cowl Hinges to the Firewall Spacers and Side Skins. Step 4: Dimpled the nutplate rivet holes, then riveted them to the F-1201A Fuselage Assy. Step 5: Clecoed the riveted the Forward Skin Stiffeners to the F-1201A Assy. and Fuselage Side Skins.