I don't know why an animation made with sequencer is not fit to original Maya’s animation.

Hello to all.
I want to make a short movie.
Export FBX included animation and camera from Maya , then import as a sequence movie into UE4 but not exactlly fit all frames.

Are there some solutions?

This is link of a video.

[video]https://youtu.be/NBkS89xvlzQ[/video]