As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVAL OF FLOOR PANEL SUPPORT ANGLE OVER FS 280.00, IT WAS DETECTED CORROSION ON RH CROSSBEAM AT FS 280.00 AT LBL 9.00. CORROSION ON RH CROSSBEAM AT FS 280.00 AT LBL 9.00. WAS EVALUATED OUT OF LIMITS, THEREFORE WAS REPLACED PER CRJ900 SRM 51-10-06-001-001-A01, SRM 51-42-06-001-001-A01, SRM 51-42-10-001-001-A01 AND SRM 51-42-21-001-001-A01. DRIP TRAY RH EDGE BTW FS 280 AND LBL 37 AT FWD FLOOR CABIN (DRAIN FS280) WILL BE INSTALLED IN NRC 00197