As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS A/C IS IN C-CHECK WHEN INSPECTION FOUND FUSELAGE CORRODED UNDER THE RA ANTENNA BETWEEN FRAMES 69 AND 70 AND STR 21L AND 21R. MAINTENANCE PERFORMED A DOUBLER ON THE FUSELAGE BELOW THE RA ANTENNA AT FRAMES 69 AND 70 IAW SRM 53-00-23. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.