I had 2 spots where the bolts were rubbing on the tile during sliding in/out. I My dealer made a couple adjustments and they stopped. The marks rubbed out with a sponge, I believe.
I also had a cracked tile, but the replacement was a slightly different color (same 'color' from FR, unable to get exact color match). It was pretty obvious, so I had that removed, and some others removed to create a sort of cross pattern in two locations. The new tiles are dark brown for stark contrast and the finished repair added some customization and interest to the floor.
FR should put a few tiles in the under storage of every new unit with tile in it.