As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C IS IN C-CHECK WHEN INSPECTION FOUND THE RIGHT WING AT RIB 21 CRACKED. MAINTENANCE REPAIRED THE AREA BY TRIMMING OUT THE CRACKED FLANGE, FABRICATED A DOUBLER AND SHIM IAW 145SRM 57-20-07 FIGURE 203. ALL WORK ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.