What was found
(CAN) AT FLIGHT LEVEL 33000, YELLOW CAS MESSAGE, HYD NR 2 LOW PSI ILLUMINATED.REF /A/ - IPC 29-11-00, ITEM35, P/N 601-75238-43, HYD PUMP PRESS SYS 2 TUBE ASSYREF /B/ - IPC 29-11-00, ITEM 215, P/N 601R75286-51, CASE DRAIN SYS 2 TUBE ASSYIT WAS FOUND BY THE MAINTENANCE, THAT TUBE ASSEMBLY REF /A/ AND /B/ HAD CHAFED TOGETHER AT THE 90 DEGREE BEND.IN ADDITION, IT WAS ALSO NOTED THAT THE BLOCK FAIRLEADS WERE WORN.TUBE ASSEMBLIES AND THE THREE SETS OF BLOCK FAIRLEADS WERE REPLACED AND AIRCRAFT RETURNED TO SERVICE.