As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MBV INSPECTION NO SUBSTANTIATING DOCUMENTATION COULD BE FOUND FOR DOUBLER REPAIR ON LEFT AFT FUSELAGE AFT OF STATIC PORT. REMOVED PREVIOUS INSTALLED REPAIR DOUBLER. PERFORMED NDT INSPECTION, NO DEFECTS NOTED. FAB REPAIR DOUBLER, INSTALLED IAW SRM AND STANDARD SRM PRACTICES.