What was found
SHIP 3900 -HYD- DUE TO LOSS OF LT SYSTEM HYDRAULICS INBOUND TO SDQ. WILL DECLARE EMERGENCY. CORRECTIVE ACTION: SERVICED 'A' SYSTEM HYDRAULICS RESERVOIR. PRESSURIZED A & B HYDRAULIC SYSTEMS. CYCLED FLIGHT CONTROLS, THRUST REVERSERS AND LANDING GEAR. FOUND BOTH LANDING GEAR FRANGIBLE FITTINGS LEAKING. TIGHTENED RIGHT SIDE. REPLACED O-RING ON LEFT SIDE. NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.