THESE TIRES FAIL TO MEET THE REQUIREMENTS OF FMVSS #109 ENDURANCE TESTS. A BLISTER COULD DEVELOP IN THE TREAD SHOULDER AREA RESULTING IN A PARTIAL TREAD SEPARATION. A SUDDEN LOSS OF AIR COULD OCCUR. CONSEQUENCE OF DEFECT: SUDDEN LOSS OF AIR CREATES A POTENTIAL FOR LOSS OF VEHICLE CONTROL AND AN ACCIDENT.