As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING BOROSCOPE INSPECTION , LEFT HAND WING XOS 1141.2 # 8 SLAT RIB FOUND CRACKED LEFT HAND WING #8 SLAT AT XOS 1141.2 CRACKED RIB REMOVED AND REPLACED AS PER SRM 51-31-01-0G. NEW RIB FABRICATED AS PER DOUGLAS DRAWING NO ARB 1954 REVISION NC .REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.