As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION COMMON TO FLOOR STRUCTURE AT FUSELAGE STATION 559.00 RBL 38 TO RBL 41. ***AIRCRAFT REMOVED FROM SERVICE*** REMOVED AND INSTALLED NEW FABRICATED FLOOR STRUCTURE AT FUSELAGE STATION 559.00RBL 38 TO RBL 41 REF CRJ200 SRM 53-41-43 REV 38.