What was found
S2 - MAJOR REPAIR - LEVEL 2 CORROSION ON SEAT TRACK AT FR38 + 3.5 INCHES, -Y450. REPLACED SEAT TRACK AT FR38 + 3.5 INCHES, -Y450 IAW A330 SRM 53-31-15, 51-42-11 & 51-75-2. DEFECTIVE AREA WAS EXPANDED TO INCLUDE FR 38 + 18 & FR 39.1 + 7.