As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF SIP EO, THE LHS WING FRONT SPAR AT RIB NR 8 WAS FOUND CRACKED AT A FASTENER HOLE. THE CRACK WAS APPROXIMATELY 0.030 INCH IN LENGTH. THE SUBJECT HOLE FROM WHICH THE CRACK EMANATED WAS ALREADY BEYOND THE EA ALLOWABLES. BOEING APPROVED REPAIR INSTALLED PER 461698-14AD.