What was found
AFTER TAKEOFF FROM VIE TO NUE DURING GEAR RETRACTION, THE A-SYSTEM HYDRAULIC QUANTITY DROPPED TO 1.8 GALLONS. A-SYSTEM LOSS CHECKLIST ACCOMPLISHED AND AFTER MANUAL GEAR EXTENSION, THE A-SYSTEM QUAN. RETURNED TO 3.4 GALS. UNEVENTFUL EMERGENCY LANDING PERFORMED IN NUE. SERVICED HYD SYSTEM BY 1.5 GALLONS, PRESSURIZED ALL HYD SYSTEMS AND ENGINES, RAN ALL HYD SYSTEMS, NOTHING FOUND ABNORMAL.