As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN -DURING C6 CHECK DISCOVERED CORROSION ON LT INBOARD SEAT TRACK FROM FR 36 TO FR 41 AT BL Y765 AND Z-240. CORROSION WAS FOUND TO BE OUT OF LIMITS IAW AIRBUS 320 SRM 53-31-15 FIG 101. MAINTENANCE REMOVED AND INSTALLED NEW SEAT TRACK ON THE LT INBOARD SIDE FROM FR 36 TO FR 41 IAW AIRBUS 320 SRM 51-72-11.