What was found
HYD 3 LO PRESS IN THE AIR. COMPLETE LOSS OF HYD 3 FLUID. (FLIGHT 3196 FILED CLOSED)THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 28087940 WITH THE FOLLOWING CORRECTIVE ACTION: "PERFORMED TROUBLESHOOTING OF HYD 3 LO PRESS MESSAGE IAW CRJ700 FIM 29-12-00. WHILE INSPECTING AIRCRAFT HYDRAULIC SYSTEM FOR LEAKS. FOUND SEVERE LEAKAGE FROM R/H MLG SIDE-STAY-ASSEMBLY RETURN HOSE. REMOVED AND REPLACED R/H MLG SIDE-STAY-ASSEMBLY RETURN HOSE IAW AMM 32-11-12. PERFORMED OPS CHECK OF LANDING-GEAR EXTENSION/RETRACTION SYSTEM IAW AMM 32-30-00 OPS CHECK GOOD AT THIS TIME. SEE CP# 28088296-1 FOR LEAK CHECK INFORMATION. "