What was found
LANDING GEAR WOULD NOT CYCLE TO UP OR DOWN, HAD TO PUMP GEAR DOWN WITH EMERGENCY GEAR EXTENSION. MX FOUND LT FILTER ASSY LEAKING WITH HYD LINE ON ACFT SIDE FILTER ELEMENT. REPLACED FILTER, O-RING AND FILTER ASSY. PERFORMED SUCTION LEAK TEST. SERVICED SYS, GROUND CHECK OK.