As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED CORROSION UNDER SKIN LAP JOINT, BS 787 TO BS 847, S-18R FWD OF AFT CARGO DOOR. CUT OUT CORRODED SECTION, FABRICATED FILLER, DOUBLER AND TRIPLER. INSTALLED IAW B737 SRM. FOUND DURING INSPECTION OF AD. EXTERNAL VISUAL INSPECTION OF SKIN FOR CORROSION AND DELAMINATION AT ALL LAP JOINTS IAW SB. (K)