MCI IS RECALLING CERTAIN MODEL YEAR 2000-2009 D4000, MODEL YEAR 2001-2010 D4500 AND MODEL YEAR 2005-2007 D4505 COACHES EQUIPPED WITH RICON WHEELCHAIR LIFT (WCL) AND A CASSETTE-TYPE WCL COMPARTMENT DOOR. THE WHEELCHAIR LIFT MAY BECOME DISENGAGED FROM A LOCKED POSITION AND SLIDE UNRESTRAINED ON ITS ROLLERS IN THE STORAGE STRUCTURE, POTENTIALLY BREAKING THROUGH THE CASSETTE DOOR AND EXTENDING BEYOND THE OUTSIDE OF THE DOOR WHEN THE COACH IS IN MOTION, PARTICULARLY WHEN THE COACH IS MAKING A LEFT TURN.