As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SKIN CORROSION AT STA 720F AT STRINGER 27R. DAMAGE REMOVAL RESULTED IN A 1.75 BY 5 INCH CUTOUT JUST FWD OF AN EXISTING REPAIR AT STA 730, ERA 213172. EXISTING REPAIR REQUIRED THE REMOVAL OF THE CORNER OF THE LWR SKIN AT STA 740 AND STRINGER 26R. REPAIRED PER DAL ER/A 303611-14, REV A.