Boundary cut from a 3d Sketch

Trying to boundary cut from a 3D sketch to a 2D sketch. The depth of the cut in the x direction should be 0.650mm but the cut is only 0.37mm deep. Any ideas? The 3d sketch and regular sketch are under Boundary-Cut1. I attached a couple of pictures of what I expected the back end to look like (the face should be flat). There is also a link to the model I am having trouble with.

Thanks,
Jack

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