What was found
"HIDDEN DAMAGE :IN REF NRC S/N 00421, DURING STIFFENER REMOVAL,CRACK ON ACCESS 171CL WAS FOUND. (FUS)(SM). "CRACK ON ACCESS 171CL WAS REPAIRED PER REO 670-53-82-430 REV --
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"HIDDEN DAMAGE :IN REF NRC S/N 00421, DURING STIFFENER REMOVAL,CRACK ON ACCESS 171CL WAS FOUND. (FUS)(SM). "CRACK ON ACCESS 171CL WAS REPAIRED PER REO 670-53-82-430 REV --