As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - A/C CURRENTLY IN C-CHECK AND INSPECTION FOUND CORROSION IN TWO HOLES ON THE NR 2 ENGINE INLET. MAINTENANCE REAMED THE HOLES AND INSTALL BUSHINGS TO REMOVE THE CORROSION. ALL WORK WAS ACCOMPLISHED IAW EC5420-01158 AND WILL BE RELEASED AT THE END OF THE CHECK.