As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON PAX DOOR INTERCOSTAL DD4 AT APPROX FS320.163. (C-CHECK) RO 6/24/2020 BLENDED OUT DAMAGE AND RESTORED FINISH TO INTERCOSTAL DD4. REF SRM AND INSTALLED 2 EA FASTENERS IN REPAIR AREA PER REO. COMPLIED WITH TASK CARD AND M-337.