As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SENGER COMPARTMENT FLOOR STRUCTURE. DUE TO CORROSION ON SEAT RAILS RBL 9, LBL9 AND LBL27 BTW FS 349.00 TO FS 485.00 WAS NOT ALLOWED, WERE FOUND OUT OF LIMITS AND MUST BE REPLACED PER CRJ900 SRM 53-21-49-101-001-A01 AND CRJ-900 AMM 53-00-49 (CONFIG A12)