As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN EXISTING REPAIR WAS REMOVED FROM THE LOWER SKIN PANEL NEAR THE STRINGER 20R LAP SPLICE. THE UNDERLYING SKIN CUTOUT WAS 3.5 X 4. THE SKIN CUTOUT AND SURROUNDING AREA WAS DYE PENETRANT INSPECTED TO ENSURE NO CRACKS AND AN EXTERNAL ALUMINUM DOUBLER INSTALLED PER ER/A 364319-14, REV B.