As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING TANK STRINGER NR 12 HAS SPOTS OF LIGHT CORROSION JUST OUTBOARD OF STATION XRS 91 AND FASTENERS ON FORWARD AND AFT SIDE WITH CORROSION BETWEEN STATION XRS 91 AND 111. REMOVED FASTENERS. REMOVED CORROSION. BLENDED CORROSION FOUND ON STRINGER FORWARD FLANGE. INSTALLED REMOVED FASTENERS.