What was found
DURING CLIMB CHECKS DUAL HYDRAULIC WARNING LIGHTS ON CWP. HYDRAULIC PANEL SHOWED DECREASING CONTENTS INDICATING A FLUID LOSS. CREW SELECTED GEAR DOWN AND RECEIVED 3 GREEN LIGHTS. CREW DECLARED AN EMERGENCY AND RETURNED TO TAKEOFF AIRPORT, UPON LANDING IT WAS DISCOVERED THAT ONE OF THE FLEXIBLE LINES ON THE RIGHT LANDING GEAR HYDRAULIC SYSTEMS WAS DAMAGED AND LEAKING. MAINTENANCE REPORTED LATER THAT THE AIRPORT PERFORMED A RUNWAY FOD CHECK AND FOUND DEBRIS. MAINTENANCE CAPPED LINE, PINNED GEAR AND SYSTEM WAS PLACED ON MEL PRIOR TO FLIGHT TO MAINTENANCE STATION FOR REPAIR.