As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4 CHECK DISCOVERED CORROSION ALONG LOWER SILL THRESHOLD SHEET IN THE AFT CARGO COMPARTMENT FROM FS 52+9.5 TO FS 56. MAINTENANCE REMOVED LOWER SILL THRESHOLD SHEET IN THE AFT CARGO COMPARTMENT IAW AIRBUS SRM 51-42-11 PAGE 2. FABRICATED NEW THRESHOLD SHEET IAW AIRBUS DRAWING NR D53475575. INSTALLED FABRICATED REPAIR PARTS AT LOWER SILL IN THE AFT CARGO COMPARTMENT FROM FS 52+9.5 TO FS 56 IAW AIRBUS SRM 51-42-11.