WHILE ATTEMPTING TO STOP IN A BUSINESS PARKING LOT, BRAKE PEDAL UNEXPECTEDLY WENT TO FLOOR, VEHICLE RAN OVER CURB/STOP, DAMAGING SUSPENSION. CAUSE OF INCIDENT WAS DETERMINED TO BE A RUPTURED METAL BRAKE LINE, CAUSED BY SEVERE CORROSION. A SECOND LINE WAS FOUND TO HAVE SMALL PIN HOLE, WHICH HAD NOT YET RUPTURED, BUT COULD HAVE FAILED AT ANYTIME. *TR