Drilled stiffeners 8-14 to bottom side of right aileron with #41 bit. Deburred all holes. Pulled plastic off both sides of left aileron. Drilled #15-21 stiffeners to top sides of ailerons. Numbered stiffeners to top side of left aileron, 15-21, left to right, and stiffeners to bottom side of left aileron, 22-28. Deburred all holes.
