What was found
Y HYD SYS RSVR OVRHT ON ECAM FOUND YELLOW SYSTEM RESERVOIR OVER SERVICED. DRAINED EXCESS AND SERVICED TO NORMAL LEVEL REF AMM TASK 12-12-29-611-001-A ITEM CORRECTED SEE LOG PAGE NUMBER 6143767. (REMOVED AND REPLACED #2 ENGINE CASE DRAIN FILTER PER AMM 29-11-43 . INSTALLED #2 ENGINE HYDRAULIC PUMP FOR YELLOW HYDRAULIC SYSTEM UNTIL STEP H PER AMM 29-13-51-400-010-A. OPERATED AIRCRAFT ENGINE AND VERIFIED NO HYD LEAKS AT PUMP AND VERIFIED HYD FLUID LEVEL IS CORRECT.)