What was found
IAH- FLT 4276 - DURING POST FLT INSPECTION, THE CREW REPORTED THAT THE NUMBER TWO ENGINE WAS LEAKING OIL. MX INSPECTED THE NR 2 ENGINE AND FOUND THE OIL TANK TO BE CRACKED. MAINTENANCE REMOVED AND REPLACED THE AFFECTED OIL TANK IAW EMB145 MM 79-1101, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. SUBSEQUENTLY, PRIOR TO TAKEOFF ON 4197, THE CREW REPORTED LOW OIL QTY ON THE NR 2 ENGINE. MAINTENANCE INSPECTED THE ENGINE AND FOUND THE OIL TANK TO AGAIN BE CRACKED. MAINTENANCE REMOVED AND REPLACED THE AFFECTED ENGINE, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)