As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER WING PLANK LANDING FOR PANEL 640AB HAS AN INDICATION NOTED ON THE INBD SIDE APPROX 2" X .250 X 50 PERCENT FSH. FAILED NDT INSPECTION. PERFORMED REPAIR TO LOWER WING PLANK LANDING FOR PANEL 640AB IAW REO 601R-57-21-030, REV K. AND COMPLIED WITH EC/TC EO 600-57-81. C/W IAW REO 601R-57-21-030, REV K.