As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*FLOOR BEAM AT LBL27 AND APPROXIMATELY FS1031 HAS CORROSION ON UPPER SURFACE. (C-CHECK RO 11/04/2021) REPAIRED CORROSION DAMAGE TO FLOOR BEAM AT APPROX LBL27, FS1031 WITH NEW BEAM SECTION REPLACEMENT IAW CRJ-900 SRM 53-00-41-201-001-A03. COMPLIED WITH TASK CARD 51-900-1002-SKY.