A WELD ON AN AXLE SEAT AND BOTTOM PLATE MAY NOT HAVE BEEN PROPERLY PLACED. CONSEQUENCE OF DEFECT: AXLE SEAT CAN CRACK OR BREAK, RESULTING IN AN IMPAIRED BRAKE LINE FUNCTION CAUSING A BRAKE LOCKUP DUE TO THE FAIL/SAFE DESIGN OF THE AIR BRAKE SYSTEM. THE UNEXPECTED STOP MAY CAUSE AN ACCIDENT.
FixPERFORM ADDITIONAL WELDING ON THE AXLE SEAT AND BOTTOM PLATE, AS NECESSARY.