Flying Ki-61 tonight, took minor MG hit to left wing, showed circular damage fine. Then took hits that blew off my left flap and aileron. Previous damage showed on flap (round hole from MG hit), that hole was still there after the flap dissapeared, floating in a ghost image of the flap. I filmed it but when I watch the film there is nothing wrong. The flap is still gone in the film, but the ghost image of the flap is gone and the damage/hole is gone.