As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK FOUND DURING HFEC INSPECTION ON LT WING TANK AT THE END OF STRINGER 13 (UPPER STRINGER) AT APPROX. XORS 577. CRACK AT LT WING TANK END OF STRINGER 13 AT APPROX. XORS 577 REPAIRED AS PER SRM 57-20-00 FIGURE 10 VOLUME I. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.