40 mm is over-tressed. People argue if bending 130mm - 135 mm (only 5 mm) is do-able and you have to use special methods to do it right. I assume FedEx didn't use proper methods to bend
In addition you stress it twice, once by FedEx, and now you.
Use a piece of metal and bend it slightly forth and back a few times and you see what i mean.

2 options: they send new undamaged frame for free, or they give you 100% of money back