As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SUPPORTS LH (3EAS) BTW FS280.00 TO FS310.00 AT FUSELAGE FLOOR STRUCTURE. FLOOR SUPPORTS LH (3EAS) BTW FS280.00 TO FS310.00 AT FUSELAGE FLOOR STRUCTURE WERE FOUND OUT LIMITS DUE TO EXCESSIVE DAMAGE PER CRJ 900 SRM 53-21-43-101-001-A03 THEREFORE WERE REPLACED PER CRJ 900 SRM 51-42-21-001-001-A01