What was found
ON TAKEOFF FROM CAE SLAT INDICATION SHOWED RIGHT WING NR 3 SLAT EXTENDED. FLIGHT CREW RECYCLED THE FLAP SYSTEM AND SLAT REMAINED EXTENDED. CREW REPORTED HEARING A NOISE AND THEN LOSS OF THE ''''A'''' HYDRAULIC SYSTEM PRESSURE AND QT. THE CREW CONDUCTED A AIR TURNBACK TO CAE, ''''B'''' HYD SYSTEM QUANTITY AND PRESSUER REMAINED OK. SUBSEQUENT INSPECTION IDENTIFIED THE NR 3 SLAT ACTUATOR MOUNT BRACKET BROKEN. THE ACTUATOR TWISTED CAUSING THE ''''A'''' SYSTEM HYDRAULIC LINE TO BREAK RESULTING IN THE LOSS OF PRESSURE AND FLUID. (M)