As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LH CROSSBEAM FS 280 AT COCKPIT CABIN FLOOR. CROSSBEAM LH FS 280 AT COCKPIT CABIN FLOOR WAS EVALUATED DUE EXCESSIVE DAMAGE PER CRJ-900 SRM 53-00-01-101-001-A01 AND REPLACED 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.