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 CORROSION ON THE RT OMEGA BEAM FORWARD OF NUT PLATE. MAINTENANCE CUTOUT THE CORROSION AND FABRICATED AN EXTERNAL DOUBLER IAW SRM 53-24-10 AND CPM 51-21-07. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.