What was found
DIV - TO BOS DUE TO GREEN SYSTEM HYDRAULIC QUANTITY LOSS (HYD G RSVR LO LVL ECAM WARNING). FOUND HYDRAULIC LEAK COMING FROM HYDRAULIC LINE IN NR 1 ENGINE PYLON, REPLACED SAME, AND DURING CHECKS FOUND NEW LINE LEAKING AT THE T-FITTING TO HCU. MAINTENANCE STILL IN PROGRESS. (LP: 9499592, AIRCRAFT WAS GROUNDED)