My F6 is back, but

Got my F6 back from Nikon California; repaired the aperture control lever. $200 poorer I opened the package up and discovered something odd. I don't recall if it was this way before I sent it in or not, but the focus selector switch now clicks nicely only between S and C. When you push it to M it doesn't quite click, it kinda mushes there, and the switch travels a good bit beyond where the white dot would line up with the M. I am not sending it back and don't really care about it as it does work, but I was wondering, is this a fault in design of that switch? I don't know if the Nikon techs even looked at it since it wasn't part of the repair.