As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE DISCOVERED THE NR 2 AFT RA ANTENNA HAD 4 NUTPLATES CORRODED ALSO FOUND ANTENNA SUPPORT PLATE TO BE CORRODED AND CRACKS AROUND FASTENER HOLES. MAINTENANCE REPAIRED DAMAGED SKIN LOCATION BY REMOVING DAMAGED SKIN AND FABRICATING AND INSTALLING REPAIR DOUBLER IAW ETD 2015-145-063091A AND EA 3440-01052.