As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SEAT RAIL LBL 9 BTW FS379.00 TO FS485.00. DUE TO EXCESSIVE CORROSION ON FLOOR SEAT RAIL LBL 9 BTW FS379.00 TO FS485.00. WAS REPLACED PER CRJ-900 SRM 53-21-49-101-001-A01 AND CRJ-900 AMM 53-00-49-000-801 (CONFIG. A12) AND AMM 53-00-49-400-801 (CONFIG. A12)