As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHS CABIN FLOOR SEAT RAILS HAVE CORROSION DAMAGE FS 477.00 TO FS 693.00. REMOVED SEAT RAIL ASSY INSPECTED AND FOUND CORROSION UNDER SEAT RAIL. PREPPED, PRIMED AND PAINTED AREA ON FUSELAGE SKIN IAW SRM 53-00-49. REPLACED SEAT RAILS AT FLOOR STATION 477.00 TO 693.00 IAW AMM 53-00-49. (B)