What was found
2 49 INTO FLIGHT RECEIVED LEVEL ONE HYD 2 OFF ALERT FOLLOWED WITHIN 5 MIN. BY A LEVEL TWO HYD 2 FAIL ALERT. HYD SYSTEM 2 QUANTITY CONTINUED TO DECREASE UNTIL IT REACHED 0.3. EMERGENCY DECLARED. INSTALLED TUBE ASSY FOR NR 2 , HYDRAULIC SYS CASE DRAIN HYD PUMP LWR TO FILTER MANIFOLD ASSY IAW AMM 29-12-40-2. BLED HYD SYS IAW AMM 29-03-00-2. PERFORM DRY MOTOR FOR LEAK CHECKS, LEAK CHECKED GOOD. PERFORMED ENGINE RUNS, OPS CHECKED GOOD IAW AMM 29-11-20-4-1.