As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER PRESSURE FLOOR SILL ASSEMBLY ON THE RT.SIDE FROM FS STA. 557 TO FS STA. 562 RBL 40R TO RBL 47R. (C-CHECK) RO 4/9/2020 REMOVE AND REPLACED UPPER PRESSURE FLOOR STRAP ON THE RT SIDE FROM FS STA 557 TO STA 562 RBL 40 R TO RBL 47 R IAW CRJ 200 SRM.