What was found
SAL - MAJOR REPAIR - DURING C4 CHECK DISCOVERED EXFOLIATION CORROSION ON SEAT TRACK AT FS 20, Y-1292. CORROSION WAS FOUND TO BE OUT OF LIMITS IAW AIRBUS 320 SRM 53-31-15 FIG 101. MAINTENANCE REMOVED SEAT TRACK FROM FS 16+13 TO FS 24, Y-1292 IAW AIRBUS 320 SRM 51-42-11. RECEIVED NEW SEAT TRACK AND INSTALLED FROM FR16+1 TO FR24, Y-1292 IAW AIRBUS 320 SRM 51-42-11 AND 51-72-11.