Chances are, it's not the cabinets. On mine, the floor was separating from the wall pulling the cabinets down each time the slide was brought in. That's structural in my and countless others opinions but Fleetwood's position was "you're out of warranty". My dealer (Mike Thompson RV in California says they have had numerous ones like mine and gladly took my $2200 to fix it. They knew exactly what to do without having to tear it apart.