As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKS WERE DISCOVERED EMANATING FROM TWO EXISTING FASTENER HOLES AT IWS 329 AND IWS 315. THE CRACKS WERE FOUND IN THE REAR SPAR UPPER CAP AND UPPER WING SKIN. THE SUBJECT HOLES WERE OVERSIZED TO REMOVE THE CRACKS IN THE DAMAGED MEMBERS ONLY. REPAIRS ACCOMPLISHED PER DL ERA 273032AD RB.