TL* THE CONTACT OWNS A 2006 LINCOLN NAVIGATOR. WHILE DRIVING APPROXIMATELY 35 MPH AND ATTEMPTING TO CHANGE LANES, THE LEFT LANE SUDDENLY STOPPED AND THE CONTACT REAR ENDED THE PRECEDING VEHICLE. THE PASSENGER AIR BAG DEPLOYED, BUT THE DRIVER SIDE AIR BAG DID NOT DEPLOY. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO THE ANN COLLISION REPAIR CENTER WHO REPAIRED THE FRONT END, RADIATOR SUPPORT, AND THE HOOD OF THE VEHICLE. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 177,000.