What was found
THE FLIGHT CREW PERFORMED A REJECTED TAKE OFF AT 60 KNOTS DUE TO A GREEN HYDRAULIC SYSTEM PRESSURE LOSS. WHILE TAXING BACK TO GATE LOST STEERING AND BRAKES, USED ALT BRAKES TO STOP. MAINTENANCE REPLACED THE GREEN HYD SYSTEM ACCUMULATOR, BLED GREEN HYD SYSTEM. ACFT RETURNED TO SERVICE.