As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT EXTRUSION HAS TWO AREAS OF CORROSION AT RBL 9 BETWEEN FS 409+5 AND FS 409+8. C-CHECK RO 12/04/2020. PERFORMED REPAIR AT FLOOR SUPPORT EXTRUSION AT RBL 9 BETWEEN FS 409+5 AND 409+8, IAW CRJ 200 SRM. COMPLIED WITH TASK CARD AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGES NOTED.