As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE SKIN AROUND THE TWO AIRFONE ANTENNA CUTOUTS AT FS 1510 BETWEEN STRINGERS 28R & 28L WAS FOUND CORRODED AND WITH SEVERAL KNIFE EDGE FASTENERS INSTALLED. THE DAMAGED AREAS WERE TRIMMED OUT TO REMOVE ALL CORROSION AND BAD COUNTERSINKS. BOTH CUTOUTS WERE REPAIRED WITH A SINGLE EXTERNAL ALUMINUM DOUBLER INSTALLED PER ER/A 380910-14, REV A.