As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RT PRESSURE FLOOR SILL PANEL IN SEVERAL SPOTS BETWEEN FS 409+128 AND 559. C-CHECK RO 10/29/2020. REMOVED CORROSION FROM PRESSURE FLOOR SILL AT SEVERAL SPOTS PANEL BETWEEN FS 409+128 AND FS 559, REF REO. ALL SPOTS FOUND TO BE WITHIN LIMITS, AS PER REO. PERFORMED PRESSURE CHECK, REF CRJ 200 AMM, PRESSURE CHECK GOOD. COMPLIED WITH TASK CARD. SEE CONTINUATION FOR FURTHER DETAILS.