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 AT FS280.00 LBL9 TO RBL9 (SM)[CPIL]. "SUMMARY ON NRC 00177: CORROSION LEVEL 2, FLOOR PANEL SUPPORT ANGLE AT FS280.00 LBL9 TO RBL9 WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-20-001-001-A01