TRUCK HAD A SUDDEN AND COMPLETE FAILURE OF THE BRAKING SYSTEM. THE FAILURE RESULTED IN A LOW SPEED COLLOSION WHEN THE VEHICLE WOULD NOT STOP AND THE PEDAL WENT TO THE FLOOR. UPON EXAMINATION OF THE TRUCK, IT WAS DETERMINED THAT A STEEL BRAKE LINE HAD BURST AND WAS RELEASING BRAKE FLUID. ALL THE BRAKE LINES APPEAR TO HAVE EXCESSIVE CORROSION. *TR