Deburred L & R aileron spar edges and lightning holes. Primed A-408 spar reinforcement plates. Rivet A-408 spar reinforcement plates to L & R aileron spars. Rivet platenut for L & R inboard aileron brackets. Match drilled L aileron skins to skeleton and aileron counterbalance. Deburred all. Dimpled L aileron spar and ribs. Contersunk L aileron counterbalance. Deburred and dimpled L aileron skins. Edge finished L A-802PP LE skin.
