EARLY DEC 2001 AHD SLOW LEAK WENT TO DEALER AND TIRE WAS REPLACED FOR CORD POBLEM WITH ANOTHER MICHELIN X RADILA PLUS. WENT ON LONG TRIP AND HAD BOUNCING EFFECT AND ON RETURN WENT BACK TO DEALER WHERE SAME CORD PROBLEM WAS DISCOVERED ON ONE OF REMAINING TIRES. AGAIN REPLCED WITH X RADIAL PLUS.ON SECOND FAILURE TIRE WAS SERIOUSLY OUT OF ROUND AND COULD HAVE CAUSED A SERIOUS ACCIDENT AT INTERSTATE SPEED OF 65MPH. ALLOWANCE GRANTED BY DEALER(SAMS CLUB) OF 30% TREAD WEAR.WAS ALSO ADVISED BY DEALER THAT TIRE WAS DISCONTINUED WHICH CAUSES CONCERN ABOUT THE TIRE WITH 2 FAIURES IN LESS THA 30 DAYS. WAS THERE A PROBLEM FOR IT TO BE DISCONTINUED.*AK (DOT NUMBER: UNKNOWN TIRESIZE: P225/60R16)