As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RH FLOOR SILL PANEL HAS MULTIPLE LOCATIONS OF CORROSION FROM FS409.00+128 TO FS559.00. (MARKED) (C CHECK) RO 3/27/2020 BLENDED MULTIPLE AREAS OF CORROSION FROM R/H FLOOR SILL PANEL FROM FS. 409.00+128 TO FS. 559.00 IAW REO CRJ-200 SRM.