As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND IN THE SKIN AT THE STRINGER 26L LAP SPLICE. THE CORRODED AREA WAS TRIMMED OUT AND AN EXTERNAL ALUMINUM REPAIR DOUBLER WAS INSTALLED. THE SKIN LAP WAS SEPARATED AND INSPECTED FWD AND AFT OF THE DAMAGED AREA AND WAS RESTORED WITH PROTRUDING HEAD OVERSIZE RIVETS PER THE B727 SRM. THE REPAIR WAS ACCOMPLISHED PER ER/A 365312-14 REV C.