What was found
DURING FLIGHT, FELT A HIGH SPEED FREQUENCY VIBRATION, FOLLOWED BY A CYAN FLAPS RATE LOW AND RT HYD ENG PUMP FAIL. SYNOPTIC PAGE SHOWED A FAILED RT HYD PUMP AND 0% FLUID IN THE RESERVOIR. AFTER LANDING, DISCOVERED FLUID LEAKING FROM ENGINE NACELLE. 0 FLUID IN RESERVOIR AND NO EVIDENCE OF FLUID IN THE AFT EQUIPMENT BAY. FLAPS WERE LEFT AT 30. TROUBLESHOTOING FOUND RT ENGINE HYDRAULIC PUMP DAMAGED & LEAKING, FOUND RT EDP CASE DRAIN BYPASS INDICATOR POPPED. R & R THE EDP. R & R THE RIM CASE DRAIN, PRESSURE & RETURN FILTERS, FOUND THE EDP PRESSURE LINE B-NUT LOOSE AT FORWARD SIDE OF PRESSURE FILTER ASSEMBLY. TIGHTENED THE CONNECTIONS, LEAK CHECKED GOOD. WORK DONE IAW AMM PART II 29-12-01.