As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION REPAIR, THE OUTER CHORD OF THE C1 DOOR CUTOUT LOWER SILL BEAM WAS FOUND CORRODED AND REQUIRED REPLACEMENT. TO FACILITATE THE REPLACEMENT, THE FS 620 FRAME WEB AND OUTER CHORD WERE CUT BETWEEN STRINGERS 25R-26R AND THE LOWER PORTIONS REMOVED. THE SILL CHORD WAS REPLACED, AND THE FRAME WEB AND CHORD SPLICED BACK IN PLACE WITH REPAIR DOUBLERS AND ANGLES PER ER/A 384163-14, REV A.