NHTSA Preliminary Evaluation PE98027: INADEQUATE WELDING PASSENGER SEAT
OPERATORS OF AFFECTED BUSES HAVE ALLEGED TWO ISSUES RELATIVE TO INADEQUATE WELDING QUALITY CONTROL IN THE CONTRUCTION OF THE PASSENGER SEATS:1) SPOT WELD FAILURE BETWEEN THE SEAT BACK PAN (SHEET METAL) AND FRAME; 2) INADEQUATE WELD FINISHING BELOW THE SEAT BENCH RESULTING IN CHILDREN BEING EXPOSED TO SHARP EDGES.
US National Highway Traffic Safety Administration