As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED C-1 CHECK WHILE PERFORMING OTHER MAINTENANCE, FOUND RT OUTER WING REAR SPAR WEB CORRODED BENEATH UPPER CORNER FITTING AT FS597, WL255-285, AND ROWS6. REPAIR BY REPLACEMENT ACCOMPLISHED IAW SRM, CH. 51-60 & 51-70. NR# 6123.