As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK CORROSION WAS FOUND ON PASSENGER SEAT RAIL AT Y765 AT FR 66. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; REMOVED DAMAGED SEAT RAIL Y765 AT FR 66; FABRICATED A NEW REPLACEMENT SEAT RAIL; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, PG 6-7.