What was found
SAL - DURING C4 CHECK DISCOVERED CORROSION ON SEVERAL SECTION OF SEAT TRACK LOCATED BETWEEN FS 36 AND FS 47, BUTT LINE Y765 AND Y-1292. MAINTENANCE REMOVED ALL CORROSION FROM SEAT TRACKS BETWEEN FS 36 AND FS 47, BL Y765 AND Y-1292 IAW AIRBUS 320 SRM 51-74-00. FOUND RE-WORK ON SEAT TRACKS TO BE OUT OF LIMITS IAW AIRBUS 320 SRM 53-31-15. REMOVED SEAT TRACK SECTIONS FROM VARIOUS LOCATION BETWEEN FS 36 TO FS 47 AND BETWEEN BUTT LINE Y765 TO Y-1292 IAW AIRBUS 320 SRM 51-42-11. INSTALLED NEW SEAT TRACK SECTIONS FROM FS 36 TO FS 47, BUTT LINE Y765 TO Y-1292 AND APPLIED PROTECTIVE TREATMENT IAW AIRBUS 320 SRM 51-42-11 AND A320 SRM 51-21-11.