As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRESS FLOOR 9R SUPPORT BEAM HAS CORROSION IN MULTIPLE AREAS, AS MARKED. C-CHECK RO 10/20/2020. REMOVED MULTIPLE AREAS OF CORROSION FROM FLOOR BEAM FLANGE AT RBL 9 ABOVE PRESSURE FLOOR, IAW CRJ-200 SRM. EVALUATED AND FOUND TO BE OUT OF LIMITS OF REO. SUBMITTED TO ENGINEERING AND RECEIVED. MHI RJ REO. ALL STEPS COMPLIED WITH.