As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE EXTERIOR SKIN CORRODED AT AFT LOWER CARGO DOOR CUTOUT THRESHOLD AT STATION 1401 S27R - S28R. CORROSION WAS REMOVED IAW SRM 53-00-01, FIG 101, EXCEEDING PUBLISHED LIMITS. THE DAMAGED SKIN WAS TRIMMED OUT AND A FILLER WAS FABRICATED. A HFEC OPEN HOLE AND SURFACE SCAN INSPECTION WAS ACCOMPLISHED REVEALING NO DEFECTS. AN EXTERNAL REPAIR DOUBLER WAS INSTALLED IAW SRM 53-00-01.