What was found
'A' SYSTEM HYDRAULICS WENT OT ZERO DURING CLIMB-OUT. PERFORMED ABNORMAL CHECK LIST, GEAR AND FLAPS WERE LOWERED USING ALTERNATE METHOD. REPLACED HYDRAULIC FLAP DRIVE MOTOR PER MM 27-51-62 DUE TO LEAK. REPLACED NR 1 ENGINE DRIVEN HYDRAULIC FLAP DRIVE MOTOR PER MM 27-51-62 DUE TO LEAK. REPLACED NR 1 ENGINE DRIVEN HYDRAULIC PUMP PER MM 29-00. REPLACED SYSTEM 'A' HYDRAULIC DRAIN FILTER PER MM 29-11-41. PERFORMED HYDRAULIC 'A' SYSTEM INSPECTION AND CHECK PER MM 29-11-0. (M)