As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - DURING A CURRENT C-CHECK INSPECTION THE FWD DIGITAL WAS FOUND WITH CORROSION. MAINTENANCE REMOVED THE CORRODED SECTION, INSTALL A NEW SECTION WITH A DOUBLER. ALL WORK WAS IAW EMB EC 5320-01059. A/C WILL BE RELEASED AT THE END OF THE CHECK.