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 OUTBOARD SEAT TRACK FROM FR 41 TO FR 47 AT BL Y1292 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 OUTBOARD SIDE FROM FR 41 TO FR 47 IAW AIRBUS 320 SRM 51-72-11.