As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION INSIDE OF FLOOR PANEL SUPPORT ANGLE WITH THE CROSSBEAM UNION AT FS280.00 BTW RBL 12.00 AND LBL 12.00. FLOOR PANEL SUPPORT ANGLE WITH THE CROSSBEAM UNION AT FS280.00 BTW RBL 12.00 AND LBL 12.00 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01.