riveted front spar back onto rear ribs. riveted nose ribs back onto upgraded front spar. ligned up and clecoed nose skin to wing. finished installing "L" angle between nose rib #1 and nose Rib #2 per upgrade kit. Drilled additional holes in bottom of front spar from inboard to rear rib # 5 in front spar per upgrade drawings. Deburred new holes and riveted bottom of nose skin onto right wing.
