Start your profiles for the pedals and joystick(s) and then open up notepad and start "flying" making sure to switch modes and take yourself through the whole sequence of events. If it's a stuck button it will show up there and you can eliminate it from the profile. An example of a broken button would be the Saitek profiler depresses a keystroke but then for some reason never lets go. This can happen if you activate a button while switching modes at the same time on occasion. If this doesn't help, you may want to check your axis mapping in Aces High and ensure that your aileron isn't accidentally mapped to your rudder pedals.