As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERIOR SKIN CORRODED BETWEEN STGRS 26L AND 25R AT FS 559+112, AS MARKED. C-CHECK RO 10/20/2020. BLENDED OUT EXTERIOR CORROSION ON EXTERIOR SKIN BETWEEN STGRS 26L AND 25R AT FS 559+112, AS MARKED, REF CRJ 200 SRM. REPAIRED EXTERIOR SKIN BETWEEN STGRS 26L AND 25R AT FS 559+112, REF MHI-RJ REO. SEE CONTINUATION CARD FOR DETAILS.