As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT 280 FLOOR BEAM IS CORRODED, FOUND DURING REMOVAL OF 221ALF FLOOR SUPPORT ANGLE ON JOB: 71028674 OP: 16 MX TRANS NR 21720630. C-CHECK RO 11/16/2020. REMOVED AND REPLACED RT 280 FLOOR BEAM, REF DWG CRJ 700 SRM. COMPLIED WITH TASK CARD.