As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A ROUTINE DETAILED INSPECTION, MAINTENANCE DISCOVERED A CRACK IN THE LT UPPER FORWARD WING FITTING OF THE WING CENTER SECTION. NDT, USING LPI AND EDDY CURRENT CONFIRMED THIS AS A CRACK. THIS AIRCRAFT HAS FLOWN 513.9 SINCE LAST NDT IAW MFG SIRM. AIRCRAFT GROUNDED AND MANUFACTURER NOTIFIED.