What was found
(CAN) CLOSE TO 90KTS, ECAM MESSAGE "SPEED BRAKE WARNING", ENGINE SETTING WAS 96 PERCENT N1, REJECTED TAKEOFF CALLED, AFTER A FEW SECONDS, A SECOND ECAM MESSAGE DISPLAYED "HYD BLUE RESERVOIR LOW LEVEL". ALSO ECAM F/CTL PG DISPLAYED "SPOILER 2 EXTENDED". ACFT RETURNED TO GATE. FIRST EVALUATION SHOWING A MAJOR HYDRAULIC LEAK FROM UNDER LT WING T/E. FOUND LT SPOILER 2 ACTUATOR BODY CRACKED OR DAMAGED, HYDRAULIC FLUID RUNNING LEAK FROM BODY.