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 THE ACCESS PANEL 651CB-RIB #21 CRACKED. MAINTENANCE REPAIRED THE RT WING RIB 21 BY CUTTING OUT CRACKED FLANGE, FABRICATING AND INSTALL A DOUBLER IAW SRM 57-20-07. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.