What was found
DURING ANNUAL INSPECTION, LT AFT LOWER WING ATTACH FITTING WAS FOUND TO BE CRACKED ALONG LOWER SURFACE, AND VERIFIED BY DYE PENETRANT INSPECTION. CRACK MEASURES APPROXIMATELY 0.85" IN LENGTH AND 0.35" DEEP, AS MEASURED ON INBD SURFACE OF FITTING. REPLACEMENT OF WING ATTACH FITTING, AND DYE PENETRANT INSPECTION OF ALL OTHER WING ATTACH FITTINGS.