As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FS 409+128 VERTICAL POSTS AT BL0.0 LT & RT SIDES HAVE INDICATIONS NOTED AT AFT FLANGE RADIUS WL 69.0 BOTH APPROX .3" IN LENGTH 70 PERCENT AND 80 PERCENT FSH. BOTH FAILED NDT INSPECTION. INSTALLED NEW SERVICEABLE POST ASSY IAW REO 601R-53-41-889 REV A AND SRM 51-42-06.