As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE ACCOMPLISHMENT OF EO 7-59089-3AD, CRACKS WERE FOUND EMANATING FROM EXISTING FASTENER HOLES BETWEEN IWS 293.58-346 ON THE LT AND RT WING. THE CRACKS WERE FOUND IN THE REAR SPAR UPPER CAP, WEB, UPPER WING SKIN. THE SUBJECT FASTENER HOLES WERE OVERSIZED TO REMOVE CRACKS IN THE DAMAGED MEMBERS PER DL ERA 273404-14AD.