As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE INSPECTION OF 48 MO TASK CARD, FOUND THE FLOOR LEVEL STRAP CORRODED AT FS 559 BETWEEN THE LT FLOOR SILL AND LBL 27. C-CHECK RO 11/21/2020. REMOVED CORRODED STRAP AND INSTALLED NEW FLOOR LEVEL STRAP AT FS 559 BETWEEN THE LT FLOOR SILL AND LBL 27, REF DRW AND CRJ200 SRM. PRESSURE CHECK GOOD. SEE CONTINUATION CARD FOR DETAILS.