1. Removed plastic film from rivet lines on both rear top fuselage skins. 2. Removed plastic film from backside of both rear top fuselage skins. 3. Deburred edges and holes on F7112 and F775 aft top fuselage skins. 4. Dimpled and edge prepped F7112 and F775 skins. 5. Began fabrication of F741A parts. Cut incorrectly and reordered new material.