THE DISC/RIM ARC WELDS WERE IMPROPERLY ASSEMBLED (NOT STRONG ENOUGH). UNDER SEVERE OPERATING CONDITIONS, CRACKS CAN FORM IN THE WELDS FASTENING WHEEL RIMS TO CENTER DISCS. CRACKED WELDS MAY ALLOW AIR TO ESCAPE FROM THE TIRES OR CAUSE WHEELS TO FAIL.
FixWHEELS WILL BE INSPECTED AND REPLACED, IF NEEDED, FREE OF CHARGE.