As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RBL9 FLOOR SEAT RAIL SEGMENT BETWEEN FS 364 TO FS 400 HAS CORROSION IN A FEW SPOTS. EVALUATED RBL9 FLOORS AT RAIL FS 364-400 FOUND TO BE OUT OF LIMITS IAW SRM 53-21-49. REMOVED RBL9 FLOOR SEAT RAIL FS 364-FS 400 IAW AMM 53-01-11-000-802. INSTALLED NEW FABRICATED SEAT RAIL RBL9 FS 364-FS 400 IAW AMM 53-01-11-400-802.