What was found
IMMEDIATELY AFTER TAKEOFF, ECAM YELLOW LOW PRESSURE. LOW YELLOW QUANITY. FOUND LT AILERON YELLOW SYS SERVO CONTROL HYD LINE RUPTURED. R & R HYD LINE, (PN A27142012), REF MM 27-14-12-04. SERVICED YELLOW HYD SYS IAW MM 12-12-29-0. LEAK CK GOOD. ENGINE PUMP REPLACED AND FILTERS CHECKED DUE TO CREW UNSURE OF ACTUAL TIME PUMP ONLINE WITH LOW FLUID. FINAL CLOSED