Problem with edge in import model (.fbx)

[Goyro93]

Hello,

I have a strange problem with my model.
In maya/ Unity engine the model looks fine, but when I import fbx into Unreal I have a problem with the edges (screen).
![MayaView|492x499]

(upload://11ObVH259U6hZCxwaSZZtu0th1L.png)

Please help me, I do not know where problem is.

[Pandemo]

Try to tick smoothing groups on export