What was found
AFTER TAKEOFF, HYDRAULIC VOLUME LOW, AMBER CAS ILLUMINATED DURING GEAR RETRACTION. HYD QTY INDICATED 0 PERCENT. ACFT INSPECTED, RT MLG FOUND RETRACT LINE LEAKING. REMOVED LINE IAW MM 32-30-04. INSTALLED RT GEAR RETRACT LINE IAW MM 32-30-00. PERFORMED LANDING GEAR SWINGS, LEAK CHECK AND CLEARANCE CHECK OF RT GEAR RETRACT LINE IAW MM 32-30-00. LEAK AND CLEARANCE CHECKED GOOD.