As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR BEAM ANGLE SUPPORT BRACKET CORRODED AT FS 310 AND AT APPROXIMATELY STRG 17L. C-CHECK RO 11/11/2020. FLOOR BEAM ANGLE WAS REPAIRED, IAW REO AND CRJ 200 SRM TO INCLUDE BLENDING. NDT AND FINISH COATS APPLIED, AS DOCUMENTED ON ATTACHED CONTINUATION CARD. NO WEIGHT AND BALANCE CHANGE. M-337 AND TASK CARD 51-900-1003-SKY ATTACHED.