As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A SERVICE CHECK, THE MECHANIC FOUND A SUSPECTED CRACK N THE LT WING LOWER SKIN AT WING STATION WS 148.019. THE CRACK WAS CONFIRMED WITH LPI AND EDDY CURENT NDT. THE REPAIR WAS CARRIED OUT PER REPAIR ENGINEERING ORDER 601R-57-21-130. THE AIRCRAFT SUBSEQUENTLY RETURNED TO SERVICE.