For my part theres no quick repair. Considering the fact that theres no worry on that Element of the frame I might use warmth to straighten it. The frame is most likely just one.5mm thick (.060") so it should not call for an extremely substantial temperature. The following link is https://collinnioqo.blogminds.com/the-smart-trick-of-awp-slot-that-no-one-is-discussing-30397611