As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SEAT RAIL CORRODED AT FS 549.00. REMOVED CORROSION FROM LT SIDE SEAT RAIL AT FS. 549.00 MAX MATERIAL REMOVED WAS .049", FOUND TO BE OUT OF LIMITS IAW SRM 53-31-49-101-001-A01. REMOVED UNSERVICEABLE SEAT RAIL FROM LT SIDE WALL FROM FS.477.4 TO 573. IAW AMM 53-00-49-000-801. INSTALLED NEW SERVICABLE SEAT RAIL IAW AMM 53-00-49-400-801.