What was found
(CAN) GREEN HYD SYSTEM FAILURE ENROUTE. MOC ADVISED FOR TOW AFTER ARRIVAL. ATC ADVISED FOR APPROACH, ARRIVAL RWY HANDLING. FOUND GREEN HYD PRESSURE LINE, PN D2904004605801, REF IPC 27-14-05-27D, ITEM 90 DAMAGED FROM CHAFING ON A BOLT HEAD. LINE REPLACED IAW AMM 20-23-11-300-001.