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 BEAM Y765 LT INBOARD SEAT TRACK BETWEEN FR 36 AND FR 41. MAINTENANCE CUT OUT DAMAGED SECTION OF SEAT TRACK ON BEAM Y765 LT FROM FR 36 TO FR 41; FABRICATED A NEW REPLACEMENT SECTION OF SEAT TRACK; INSTALLED REPAIR PART IAW A320 51-42-21 FIG 11, 12 & 18.