As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-13 CHECK THE L/H WING INBOARD MID FLAP UPPER SURFACE WAS FOUND TO HAVE A WORN SPOT AT THE INBOARD EDGE. MAINENANCE CUTOUT WORN SPOT ON MID FLAP UPPER SURFACE; FABRICATED AN EXTERNAL DOUBLER, AND INSTALLED REPAIR PART IAW AWA E.R. 15-5753-02269-ES3.