As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK FOUND AT STRINGER END 14L (XORS 521), APPROX 13 INCHES LENGTH ON LT WING TANK DURING HFEC INSPECTION. CRACK ON LT WING AT STRINGER END 14L (XORS 521) REPAIRED AS PER SRM 57-20-00 FIGURE 10 VOLUME I. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.