What was found
AT 2225Z IN CLIMBING, HYDRAULIC QUANTITY DROPPED TO STAND PIPE PRESSURE DROPPED TO ZERO RETURNED TO KMIA. PERFORMED LOSS HYDRAULIC PRESSURE EMERGENCY CHECKLIST ON HYDRAULIC FLUID; PERFORMED EMERGENCY CHECKLIST ON HYDRAULIC CHECK, NO FURTHER LOSS OF FLUID. USED ABNORMAL LANDING CHECKLIST. FOUND HYDRAULIC HOSE ASSY LEAKING AT NR 2 ENGINE; REMOVED AND REPLACED NR 2 ENGINE HYDRAULIC PRESSURE HOSE ASSY AND REPLACED DRAIN CASE FILTER IAW MM 70-30-2 AND MM29-10-14; NO LEAKS NOTED ON RUN-UP IAW MM 71-0 AND MM 29-00. OPS FOUND NORMAL AND SERVICED HYDRAULIC SYSTEM IAW MM 12-30-1.