As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION. CORROSION ON FLOOR SEAT RAIL FROM FS 379 TO 485, LBL 9 AT PAX CABIN. (SM)(CPAX)(TCI 53-20-243). SUMMARY OF NRC 00265 CORROSION LEVEL2: CORROSION ON FLOOR SEAT RAIL FROM FS 379 TO 485, LBL 9 AT PAX CABIN. FOUND OUT OF LIMITS PER CRJ-900 SRM 53-21-49-101-001-A02 AND WERE REPLACED PER CRJ-900 AMM 53-00-49-000-801 (CONFIG A12) AND PER CRJ/900 AMM 53-00-49-400-801 (CONFIG A12)