As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE OUTBOARD CHORD OF THE C1 DOOR CUTOUT LOWER SILL BEAM (STR 26R) WAS FOUND WITH DEEP CORROSION ON THE OUTBOARD FLANGE JUST AFT THE THE FS 620 FRAME. THE DAMAGED SECTION OF FLANGE WAS TRIMMED OUT. THE CHORD WAS REPAIRED WITH TWO EXTERNAL ALUMINUM REPAIR STRAPS AND AN INTERNAL ALUMINUM REPAIR ANGLE INSTALLED PER ER/A 378591-14.