As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT BEAM RBL9.00 FROM FS409+128 TO FS559.00 HAS SEVERAL NUTPLATES HOLES WITH CORROSION (C-CHECK) RO:1/17/2020REMOVED THE CORROSION FROM SUPPORT BEAM NUT PLATE HOLES AT RBL9 FS409+128 TO FS559 REF CRJ200 [TR51-44] SRM. THE AREA IS REPAIRED IAW BOMBARDIER REO AND BOMBARDIER REO.