Assuming that you have a Lippert framed unit. Look underneath, Adjustments can be made & are easy to do. You need to have a look & figure out what has what effect on the slide. If all is good when it is out & all is good when it is in I would not sweat it much. Just be sure that nothing has come loose or a nut has not gone missing.
Boat: 32' 1996 Albin 32+2, single Cummins 315hp
40+ night per year overnighter
2007 Alpenlite 34RLR
2006 Chevy 3500 LT, CC,LB 6.6L Diesel
Ham Radio: VP9KL, IRLP node 7995