As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FITTINGS OVER FS 310 AND RBL43 AND OVER FS 349.00 AND LBL43 AT PASSENGER CABIN FLOOR STRUCTURE. CORROSION ON FITTINGS OVER FS 310 AND RBL43 AND OVER FS 349.00 AND LBL43 AT PASSENGER CABIN FLOOR STRUCTURE WERE EVALUATED OUT LIMITS PER CRJ 900 SRM 53-21-23-101-002-A02 THEREFORE WERE REPLACED PER CRJ900 SRM 51-42-21-001-001-A01