What was found
ENGINE NR 2 GREEN HYD PUMP LIGHT ILLUMINATED. TURNED OFF PUMP. GREEN HYD QUANTITY AT 12 O'CLOCK ON OVERHEAD. SEEMED TO SLOWLY DECREASE TO 11 O'CLOCK. COULD NOT DETERMINE IF LEAK OF JUST NORMAL DECREASE SYSTEM PRESS NORMAL. REMOVED AND REPLACED NR 2 ENGINE GREEN SYSTEM ENG DRIVER HYD PUMP AND MAIN SUPPLY LINE. REPLACED NR 2 ENG GREEN SYSTEM RETURN LINE CASE. DRAINED LINE PRESSURE SWITCH AND CASE DRAIN FILTER. RAN ENGINE. OPS AND LEAK CHECKS NORMAL. (M)