As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR MIDDLE INTERCOSTAL AT DD3 CORRODED. (C-CHECK) RO 7/10/2020 REMOVED THE CORROSION FROM THE PAX DOOR INTERCOSTAL MID DD3 REF SRM. BLENDED AREA FOUND TO BE OUT OF LIMTS REF SRM. WET INSTALLED AND FILLET SEALED THE PAX DOOR MID INTERCOSTAL DD3 REF SRM AND DRAWING. SEE CONTINUATION CARD FOR DETALS.