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 WHEN INSPECTION FOUND LIGHT CORROSION BETWEEN STRINGER 21R AND FRAMES 12 AND 13. MAINTENANCE REPAIRED THE AREA IAW ETD2010-145/08781. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.