TL* THE CONTACT OWNS A 2003 JEEP LIBERTY. THE CONTACT STATED THAT OVER A SPAN OF SEVEN YEARS, EACH OF THE WINDOWS FAILED AND DROPPED DOWN INTO THE DOOR PANEL ABNORMALLY. THE FAILURE OCCURRED WHILE THE CONTACT WAS DRIVING AND WHILE THE VEHICLE WAS PARKED. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES AND AN INDEPENDENT MECHANIC TO BE REPAIRED FOR A TOTAL OF FIVE TIMES. THE CONTACT WAS INFORMED THAT A PLASTIC PART WITHIN THE WINDOW MECHANISM HAD MELTED, CAUSING THE GLASS TO DROP DOWN INTO THE DOOR PANEL. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 42,000. THE VIN WAS UNAVAILABLE.