As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*RBL9 FLOOR BEAM ATTACHMENT AT FS621 HAS CORROSION AT NUTPLATE ON INBOARD SIDE. (C-CHECK RO 10/4/2021) REMOVED CORROSION ON RBL9 FLOOR BEAM ATTACHMENT AT FS621 NUTPLATE ON INBOARD SIDE REF CRJ200 SRM 51-21-06. FOUND TO BE OUT OF LIMITS. RECEIVED AND COMPLIED WITH ALL STEPS OF REO 601R-53-61-7700 REV--, DATED 2021-08-18.