As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING UPPER FORWARD STIFFENER (PN 50-120068-7) WAS DISCOVERED CRACKED DURING A ROUTINE PHASE 1 INSPECTION. THE CRACK BEGAN AT THE INBOARD EDGE, EMANATING OUTWARD THROUGH THE FIRST 2 RIVET HOLES FOR A TOTAL LENGTH OF 1.55 INCHES. THE DAMAGED PART WAS REMOVED AND REPLACED WITH A NEW ONE.