Mmmmm, I think about something who could save your plane

If your ailerons servo trays are really upside down, you should check that that's it's not the entire wing wich is upside down (you could have done that mistake when sheeting the central part by simply putting the aileron wires exiting hole on the wrong side).
In that case, the wing bolt is only resting on a thin sheeting, and not on the reinforcement piece (P22). A take off like that is the ticket to structural failure.

It's just my opinion