As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION RAIL NUT PLATE INTERNAL CAVITY LEADING EDGE LOCATED OFSS 216 AT LT WING. REPLACED RAIL NUT PLATE INTERNAL CAVITY LEADING EDGE LOCATED OFSS 216 AT LT WING IAW B737-800 SRM 51-40-02 AND SRM 51-10-02 ITEM 9. PERFORMED VISUAL INSPECTION ON AREA AND NOT FOUND ADDITIONAL DAMAGE.