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" LENGTH ON LEFT WING TANK DURING HFEC INSPECTION. CRACK AT STRINGER END 14L (XORS 521) ON LEFT HAND WING TANK TRIMMED OUT AND REPAIRED WITH SPLICE REPAIR AS PER SRM 57-20-00 FIGURE 10 VOLUME I. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.