What was found
EMERGENCY DECLARED INTO DEN. CREW STATES AT 30K FT, GOT ECAM Y SYS LO, & THEN SAW ENG PUMP NO PRESSURE & Y SYS NO QTY. SHUTDOWN PUMP. ENG 2 PYLON DRAIN LEAKING HYD FLUID. LEAK LOCATION. ON ARRIVAL FLUID WAS STILL IN YELLOW SYSTEM & VERIFIED NO PUMPS WERE RAN DRY/YELLOW ELEC & #2 ENG DRIVEN PUMP STILL GOOD. COMPLETED REMOVAL OF COMPONENTS UP TO F. (1) (C) FOR REMOVAL THE ITEM (2) PRESSURE PIPE IAW AMM 29-13-49-000-013-A. REMOVED DAMAGED HYD LINE IAW AMM 29-13-49-000-013-A, STARTED INSTALLING ENGINE #2 MIDDLE YELLOW SYSTEM PRESSURE LINE. IAW AMM 29-13-49-400-013-A. COMPLETED UP THROUGH ITEMS 4. C. (10). ACP'D STEP 4.G & H. YELLOW SYS OPS CHECKED GOOD. LEAK CHECKED OFF LINES IS GOOD.