As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LBL27 FLOOR BEAM BETWEEN FS1010 AND FS1047. (C CHECK RO 5/23/22) REMOVED AND INSTALLED LBL27 FLOOR BEAM BETWEEN FS1005 & FS1055 REF CRJ900 SRM 53-00-41-201-001-A03. COMPLIED WITH TASK CARD 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.