What was found
FLT#2475, BDL-SJU. (AIRCRAFT DELCARED AN EMERGENCY INTO SJU) 'WHILE IN FLIGHT AT CRUISE, YELLOW HYD QUANTITY DROPPED TO ZERO; PERFORMED INSPECTION ENGINE #2 YELLOW SYSTEM LEAKS PROCEDURED R/R PRESSURE LINE YELLOW SYSTEM PIPE, BUSHINGS, CLAMP BLOCKS AND SECURED AS PER A.M.M. 29-13-49. SERVICING HYDRAULIC YELLOW SYSTEMOPS CHECK FLIGHT CONTROLS AND STEARING SYSTEM NORMAL NO DEFECT / LEAKS NOTED AT THIS TIME. A/C OKAY FOR SVC. MCC NOTIFIED.'