As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER INTERCOSTALS REMOVAL, FOUND CORROSION ON FLOOR FITTINGS LOCATED BTW FS280 / FS295 AND RBL37'',LBL37'' AND LBL15''. FLOOR FITTINGS LOCATED BTW FS280 / FS295 AND RBL37'',LBL37'' AND LBL15'' DUE TO EXCESIVE DAMAGE WERE REPLACED PER CRJ900 SRM 53-21-43-101-001-A03 AND SRM 51-42-21-001-001-A01