As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*FS565.00 L/H FLOOR SILL HAS SURFACE CORROSION (MARKED) (C-CHECK) RO 2/1/2021 RMOVED AND INSTALLED NEW L/H FLOOR SILL AT FS565 REF CRJ-900-SRM 51-42-06-001-001-A01 AND DWG SH690-32170 REV AD. COMPLIED WITH 51-900-1002-SKY AND PRESSURE CHECKS GOOD. SEE CONTINUATION CARD FOR DETAILS