As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOORBEAM AT FS280 AND STGR 25RH ON INTERNAL FUSELAGE. FLOOR POST AT FS280 AND STGR 25RH ON INTERNAL FUSELAGE. WAS REPLACED PER CRJ-900 SRM 51-40-11-001-001-A01, CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, CRJ-900 SRM 51-42-13-001-001-A01 AND CRJ-900 SRM 51-42-10-001-001-A01