As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RBL 9 FLOOR BEAM HAS CORROSION ON UPPER FLANGE AT INBOARD SIDE OF SEAT RAIL BETWEEN FS 517.00 AND FS 533.00. C-CHECK RO 9/27/2020. CUT AWAY DAMAGE ON DAMAGED SECTION OF FLOOR BEAM. FABRICATED, LOCATED AND DRILLED REPAIR PARTS. INSTALLED REPAIR PARTS TO FLOOR BEAM AND RESTORED FINISH, REF CRJ700 SRM & BOMBARDIER DWG. COMPLIED WITH TASK CARD.