What was found
DURING CRUISE, ECAM WARNING MESSAGE HYDRAULIC YELLOW ENGINE NR 2 PUMP LOW PRESS SHOWED ON SCREEN. THE AIRCRAFT RETURNED TO SAL STATION. AFTER LANDING AT SAL, TECHNICIANS VERIFIED ENGINE HYDRAULIC PUMP PRESSURE PER AMM 29-13-00. A FALSE INDICATION WAS DETECTED, SYSTEM WAS DEVELOPING ITS REQUIRED PRESSURE SHOWED ON THE NORMAL GAGES. THE LOW PRESS INDICATION ON ECAM WAS ENTERED AS DEFERRED ITEM PER MEL 29-30-04. AIRCRAFT RETURNED TO NORMAL OPERATION. (M)