As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH FLANGE OF FLOOR BEAM FS 574-559+80 LH BL 27 APPROX AS MARKED CORROSION AROUND NUT PLATE LOCATION (C-CHECK) RO 2/28/2020 REMOVED AND REPLACED FLOOR BEAM CAP AND 2EA WEB REPAIR PARTS AT LBL 27 BETWEEN FS 574 AND FS 559+80 REF CRJ200 SRM. RESTORED FINISH AND COPMLIED WITH TASK CARD.