As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON RH FLOOR BEAM FS280.00 P/N: CC670-34094-2 UNDER ANGLE FLOOR PANEL SUPPORT (C-CHECK RO 9/8/2021) REMOVED CORROSION FROM RH FLOOR BEAM AT FS280, RBL2-RBL6 REF. CRJ-900 SRM, 53-00-00-10-001-A01 FOUND TO BE OUT OF LIMITS. REPLACED WITH NEW FLOOR BEAM AT FS280 REF. CRJ-900 SRM, 53-11-10-201-004-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY, SEE CONTINUE CARD FOR FURTHER DETAILS.