As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SUPPORT BTW FS280/FS265 AND RBL12 AT CABIN FLOOR STRUCTURE DUE TO EXCESSIVE CORROSION ON FLOOR SUPPORT BTW FS280/FS265 AND RBL12 AT CABIN FLOOR STRUCTURE WAS REPLACED PER CRJ900 SRM 51-10-06-001-001-A01 AND SRM 51-42-21-001-001-A01