As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON FUSELAGE SKIN RUNNING UNDERLAP SEAM AT STRINGER 20L FROM BS 1620 TO STRINGER 1720. ACCOMPLISHED EA F-5330-T0309060 FUSELAGE PLATES & SKINS LOWER SKIN PANEL CORROSION REPAIR AT LAP JOINT STATION 1620 TO 1720 STRINGER 20L. CATEGORY B MAJOR REPAIR.