As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION: CORROSION ON FLOOR PANEL SUPPORT ANGLE FS280 (RBL9 TO LBL9) AT CABIN FLOOR STRUCTURE. FLOOR PANEL SUPPORT ANGLE FS280 (RBL9 TO LBL9) AT CABIN FLOOR STRUCTURE WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.