As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH CROSSBEAM FS 280 AT COCKPIT CABIN FLOOR. CORROSION ON RH CROSSBEAM FS 280 AT COCKPIT CABIN FLOOR WAS EVALUATED OUT LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01 THEREFORE RH CROSSBEAM FS 280 WAS REPLACED PER PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-13-001-001-A01.