As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RAIL NUT-PLATE LOCATED OFSS 449 INTERNAL CAVITY LEADING EDGE AT LT WING. REPLACED RAIL NUT-PLATE AND FASTENERS LOCATED OFSS 449 INTERNAL CAVITY LEADING EDGE AT LT WING IAW B373-800 SRM 51-40-02 AND 51-10-02 APPLIED PROTECTIVE TREATMENT ON NEW FASTENERS IAW SRM 51-20-01 .