As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND ON THE FUSELAGE SKIN UNDER THE LT FORWRD AIRFONE ANTENNA AT STA 686 FROM STR 35L TO 36L. THE DAMAGE RESULTED IN A CUTOUT MEASURING 6.75 BY 2.75. A DOUBLER WAS INSTALLED AND APPROVED PER FAA/DER FORM 8110-3, DER DESIGNATION SO-775, DTD 7-25-97.