As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 21L CORRODED BETWEEN FS 333.00 AND FS 349.00. (C CHECK RO 2-11-2022) FOUND CORROSION TO BE ON INTERCOSTAL NOT ON THE STRINGER REMOVED AND REPLACED STRINGER 21L INTERCOSTAL BETWEEN FS 333 AND FS 349 IAW CRJ 200 SRM 51-42-21 AND BOMBARDIER DRAWING 601R31527. REFERENCE ATTACHED CONTINUATION CARD FOR WORK PERFORMED.