How much did you crank it up. Sounds like you may have cranked enough to throw the spine off whack. Simple solution... crank it down and see if it changes impact. I' m not sure how pins can be floating unless you didn' t have them tight. It won' t take much in or out to move the arrow a couple inches. In this case you would have lengthened the pin(moved it out away from the bow for RH) causing the arrows to move right of aiming point. If you crank it down and it doesn' t change I' d just reset the pins and tighten them down. I assume rest and everything else is in the same place. " STUFF" happens and we resight.