What was found
DURING CRUISE, AT FL430 HYD VOLUME LOW AMBER CAS ILLUMINATED. HYD FLUID CAN BE SEEN DRIPPING FROM RT ENGINE DRAIN MAST. INSPECTED RT ENG HYD PUMP & FOUND FLUID FROM DRAIN MAST ON BOTH PAD DRAINS. CHECKED SYS VOLUME, FOUND 190 CI, PRESSURIZED SYS WITH AUX PUMP & RATE OF LEAK INCREASED. BOTH PYLONS HAVE HYD FLUID COMING OUT OF AFT PANELS. 3 PRESSURE SWITCHES LEAKING FROM WEEP HOLES. REMOVED & INSPECTED RT PUMP PRESS CASE FILTERS & FOUND SIGNIFICANT AMOUNT OF METAL. INSTALLED NEW FILTERS, R & R HYD PUMP AGB SEAL. INSPECTED FOR FLUID PAST SEAL, FOUND NONE. R & R RT HYD PUMP. COMPLIED WITH LEAK & OPS CHECK HYD PUMP & FILTER, NO FAULTS. ALL IAW AMM 29-10-05, 29-10-80, 29-10-70, MM 72-60-01, & MM 72-60-01.