Either/orWhile working with thin plastic the main problem would be getting the tiny piece into a decent shape. The amount of burnt nerves could not be foreseen but it wouldn't be a small number. The end result, on the other hand, could be really pretty, if I got lucky.
A turd of transparent-ish sprue would be a very simple approach. All I'd need to do was to file off material to get the piece inside the bracket. It would also occupy all the given space and could not fall inside the wing like its predecessor - nor could it end up twisted stupidly while the glue cures.