As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK RAIL NUT PLATES INTERNAL CAVITY LEADING EDGE LOCATED FSS576 AT LT WING. REPLACED RAIL NUT PLATES (GANG CHANNEL) LOC. ON INTERNAL CAVITY LEADING EDGE LOCATED FSS576 AT LT WING IAW SRM 51-10-02 ITEM 9; SRM 51-40-02. MEASURE OF CRACK IS L:0.410 INCH.