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 AT LBL9.00 AND RBL9.00 BTW FS.847.00 AND FS.977.00. FLOOR SEAT RAIL AT LBL9.00 AND RBL9.00 BTW FS.847.00 AND FS.977.00 WERE EVAULATED PER CRJ-900 SRM 53-41-49-101-001-A02; CRJ900 SRM 53-51-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)