Drilled #30 the top center two holes in the Extension into the Fwd Wing Tip Rib. Removed the extension but it took some effort and it peeled some of the primer form the Wing Tip Rib. Sanded the excess flox and this took a lot of time, especially in the spot where a nut was supposed to be placed. Match-drilled the flat part of the Extension for the Mount Bracket. Countersunk (120 degrees) the attach holes in the upper flange of the Extension. Will stop working on the lighting system for now. Placed the Left Wing in the cradles and organized the garage to be able to accomodate the Fuselage Kit crate when it arrives.