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 FOR A C-CHECK INSPECTION WHEN INSPECTION FOUND CORROSION AT STRINGER 21R BETWEEN FRAMES 17 THRU 19. MAINTENANCE REPAIRED THE SECTION BETWEEN FRAME 17 AND 19 IAW SRM 52-00-03. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.