As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LBL9 FLOOR SEAT RAIL SEGMENT BETWEEN FS 364 TO FS 400 HAS CORROSION AROUND SEVERAL SCREW HEADS, MARKED. EVALUATED LBL9 FLOOR SEAT RAIL FS 364-400 FOUND TO BE OUT OF LIMITS IAW SRM 53-21-49. REMOVED LBL9 FLOOR SEAT RAIL FS 364-FS 400 IAW AMM 53-01-000-802. COMPLIED WITH EC/TC REO 601R-53-00-485. INSTALLED NEW FABRICATED SEAT RAIL AT LBL9 FS 364-FS 400 IAW AMM 53-01-11-400-802.