What was found
(CAN) INITIAL REPORT: NR 2 HYD FLUID HOT THEN NR 2 ENG HYD PUMP CAUTION LIGHTS CAME ON DURING APPROACH. LDG SELECTED DOWN, LDG DOWNLOCKED. NR 2 HYD QUANTITY DROPPED TO 0. NR 2 ENG HYD PUMP CAUTION LIGHT CAME ON.FINDINGS: CONTAMINATION FOUND IN NR 2 CASE DRAIN, RETURN AND PRESSURE FILTERS. NR 2 EDP FOUND TO BE LEAKING. NR 2 ENGINE NACELLE LINE P/N 82970009-317 FROM CHECK VALVE TO CASE DRAIN FILTER OVERHEATED. ACTION TAKEN: NR 2 HYD SYSTEM WAS FLUSHED SEVERAL ATIMES. NR 2 CASE DRAIN, PRESSUE AND RETURN FILTERS WRE REPLACED. NR 2 EDP WAS REPLACED.LINE P/N 8297000-317 REPLACED.