What was found
AFTER NORMAL LANDING, GEAR EXTENSION AND NORMAL EXTENSION OF 'LANDING FLAPS' HYDRAULIC SYSTEM 'A' QUANTITY DROPPED TO ZERO. BOTH LOW PRESSURE LIGHTS ILLUMINATED. UPON INSPECTION, FOUND NOSE GEAR UPLOCK ACTUATOR CHANNEL (SUPPORT) CRACKED. REMOVED AND REPLACED CHANNEL PER 32-33-11. PERFORMED NORMAL AND MANUAL NOSE GEAR EXTENSION, OPS CHECKED NORMAL. FOUND ACTUATOR HYDRAULIC LINES DAMAGED, REPLACED SAME.