What was found
BLI- ON FINAL NR 1 HYD PUMP CAUTION LIGHT WITH OTHER ASSOCIATED LIGHTS CAME ON. SELECTED STANDBY THROUGH NORMAL CHECKLIST, THEN LOST ALL HYD QUANTITY ON NR 1 SYS. LANDED WITH NO FLUIDS, ENOUGH PRESSURE TO PARK, THEN LOST BRAKES AT PARKING. PERFORMED INSP OF NR1 HYD EDP AFTER OPERATION WITHOUT HYD FLUID IAW TASK 05-54-00-280-801, PAR 1-5(A) (6A). REPLACED NR 1 EDP IAW 29-11-01-000-801/400-801. PERFORMED FLUSH OF NR 1 SYS IAW 29-10-00-617-802,PAR M (1) (A-Z). NO DPI WERE POPPED. OPS AND LEAK CHECKS GOOD. FLUSHED HYD SYS. RETURNED TO SERVICE.