As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT STRUCTURE SEAT TRACK LBL 9 APPROXIMATELY BS 485 TO 581. CORRODED IN MULTIPLE LOCATIONS WHERE SEATS WERE INSTALLED, AND AT SCREW HOLES ALL ALONG ITS LENGTH. REMOVED CORROSION ON SEAT TRACK IAW SRM. THE SEAT TRACK IS OUT OF LIMITS IAW SRM. FABRICATED AND INSTALLED THE REPLACEMENT FLOOR SEAT TRACK IAW AMM.