What was found
FLT 262, SJU- BOS. RETURNED TO FIELD. EMERGENCY DECLARED. JUST AFTER LEAVING OFF AIR CRUISE ALTITUDE RECEIVING ECAM ENGINE 2 HEAT SYSTEM FAULT. THIS WAS IMMEDIATELY FOLLOWED BY MASTER WARNING LIGHTS AND ENGINE 2 OIL LO PR ECAM WARNING. THE NR 2 ENGINE WAS SECURED, PER ECAM AND QRH PROC AIR RETURN TO SJU. IN-FLIGHT SHUT DOWN PERFORMED, PER QRH. AFTER LANDING DURING TAXI IN RECEIVE ON ENGINE 2 OIL CHIP DETECTED. SUPPLEMENTAL INFORMATION TO FOLLOW.