As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C CHECK FOUND CORROSION ON THE INBOARD EXTENDED LEADING EDGE NOSE PLATING AROUND STATION XFS 5000 LEFT HAND. CORRODED AREA WAS REMOVED AND INTERNAL DOUBLER WAS FABRICATED & INSTALLED IAW EWO ATI 57-074. FAA FORM 8110-3 WAS ISSUED APPROVING THIS REPAIR.