As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING FIXED LE SUPPORT RIB AT STATION XOS 740 FOUND CRACK DURING OTBD SLAT DRIVE CABLE INSPECTION. FIXED LEADING EDGE CRACKED SUPPORT RIB (FORMER) AT STATION XOS 740. REMOVED AND REPLACED AS PER SRM 51-31-01 REVISION 53. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100 REVISION 118.