As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SCRIBE LINE IN LAP SEAM AT STRINGER 20L FROM BS 1460 TO 1620 WITH CORROSION ON TOP OF SCRIBE LINE RUNNING UNDER LAP SEAM. ACCOMPLISHED EA F-5330-T0309171 FUSELAGE PLATES & SKINS LOWER CORROSION REPAIR. THIS IS A CLASS A MAJOR REPAIR.