As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT OVERWING IWS 412 FUEL TANK ACCESS CUTOUT FLANGES PITTING AND CORRODED. LEFT WING UPPER SURFACE AT IWS 412 CORROSION CLEANED FROM FUEL TANK ACCESS CUTOUT IAW SRM 51-21-01. NDT FOUND NO CRACK. UT THICKNESS TEST SHOWED MATERIAL THICKNESS .310 MM. (M)