As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION DETECTED ON RT FLOOR SILL, JUST (AFT) OF SERVICE DOOR SURROUND STRUCTURE AT FS 349.00, MARKED. C-CHECK RO 12/04/2020. CUT OUT DAMAGED SECTION OF RT FLOOR SILL JUST AFT OF SERVICE DOOR SURROUND STRUCTURE AT FS 349.00. FABRICATED AND INSTALLED REPAIR PARTS, REF REO. COMPLIED WITH SW TASK. LEAK CHECK GOOD. SEE CONTINUE CARD FOR DETAILS.