What was found
LOSS OF HYDRAULIC QUANTITY AND HYDRAULIC PRESSURE. PERFORMED CHECK LISTS TO LOWER FLAPS. FOUND FITTING ON LT GEAR TRIM FITTING LEAKING. REMOVED FITTING, REPLACED O-RING, REINSTALLED FITTING, SERVICED HYD RES. PERFORMED GROUND RUN ON NR 2 AND NR 3 ENGINES, OPS CHECK HYD PUMPS AND LEAK CHECK BOGGIE TRIM FITTINGS, NO LEAKS NOTED. CYCLED FLAPS, SPOILERS, AILERONS, RUDDER AND HORIZONTAL STAB SYSTEMS SERVERAL TIMES.