What was found
ON ARRIVAL A SYSTEM HYD LIGHT ILLUMINATED WITH FLUID AT 10%. PRESSURE WAS NORMAL. ON LANDING A SYSTEM HYD PRESSURE AND QUANTITY WENT TO ZERO WHEN WE TAXIED CLEAR. ELECTRIC HYD LIGHT THEN ILLUMINATED "A" HYDRAULIC SYSTEM FLUID LEAK R&R #1 ENGINE HYDRAULIC PUMP AND CASE DRAIN FILTER AMM 29-11-11 AND 29-11-51 CASE DRAIN. R&R A SYSTEM ELECTRIC PUMP PER AMM 29-11-21 AND CASE DRAIN FILTER AMM 29-11-41. R&R A SYSTEM ELECTRIC PUMP ACOUSTIC FILTER PER AMM 29-11-27 INSPECTED RETURN MODULE FILTER AND CASE DRAIN FILTERS . NO DEBRIS FOUND OPS CHECK SYSTEM NO LEAKS NOTED