As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING - FIXED LEADING EDGE RIB DOUBLER AT XOS 667 FOUND CRACK. LEFT WING - FIXED LEADING EDGE CRACK RIB DOUBLER AT XOS 667 REMOVED AND REPLACED WITH FABRICATED DOUBLER AS PER SRM 51-31-01-0G. DOUBLER FABRICATED AS PER DRAWING ARB3954 REV K. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.