TL* THE CONTACT OWNS A 2003 FORD EXPLORER SPORT TRAC. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE ABNORMALLY DECELERATED TO 40 MPH. IN ADDITION, THERE WAS SMOKE COMING FROM THE FRONT END OF THE VEHICLE. THE CONTACT WAS INFORMED BY ANOTHER DRIVER THAT SPARKS WERE COMING FROM UNDER THE VEHICLE. THE CONTACT MANEUVERED THE VEHICLE TO THE SHOULDER AND DISCOVERED THAT THERE WERE FLAMES UNDER THE DRIVER'S SIDE OF THE VEHICLE. THE FIRE DEPARTMENT WAS CALLED AND A FIRE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW YARD AND WAS NOT REPAIRED. THE VEHICLE WAS DESTROYED. THE APPROXIMATE FAILURE MILEAGE WAS 182,000.