As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PUNCTURE FOUND ON FLOOR BEAM LOCATED AT RBL 9.0 INBOARD FLANGE BETWEEN FS 559.00+48-FS 559.00+64. C-CHECK RO 11/21/2020. REPAIRED FLOOR BEAM AT RBL 9.0 INBOARD FLANGE BETWEEN FS 559+48 AND FS 559+64, REF CRJ200 SRM. COMPLIED WITH TASK CARD. SEE CONTINUE CARD FOR DETAILS ON WORK PERFORMED.