What was found
ENG 1 LOW PRESS IN FLT QTY MINS LATER WENT TO 20 PERCENT WHILE PERFORMING HYD FLUID TRANSFER FROM SYSTEM B TO A FOUND REMOVED #1 ENG EDP REF AMM 29-11-11 PARTS USED: INSTALLED #1 ENG EDP REF AMM TASK 29-11-11-400-801-001 FROM STEP COMPLETED STEP I OF AMM 29-11-11-400-801-001 FOR #1 EDP. EXCESSIVE AMOUNT OF HYD FLUID LEAKING OUT OF THE HYD PAD 29-2910-9-0003,UP TO AND INCLUDING STEP H. COMPLETION OF EDP LEAKS NOTED AND OPS CHECK PASSED. ASSOCIATED FILTER CHANGES. DRAIN FROM THE #1 ENGINE DRIVEN PUMP INSTALLED IAW AMM TASK 29-11-11-400-801-001. REMOVED AND REPLACED NR 1 ENG HYD PUMP IAW AMM 29-11-11-400-801-001. OPS AND LEAK CHECKS PASSED.