57A1294 TABLE2 DETAILED INSPECTION WINGS - WING CENTER SECTION - UPPER AND LOWER STRINGERS - DRILL START INSPECTION AND REPAIR. SERVICE BULLETIN OF THE WING CENTER SECTION LOWER STRINGERS FOR SAFETY MOS 23-APR-2007 AFL 18000 18000 7-Insufficient Information +-Task exists in Inspection Manual (s)-Suppressed Requirement (ex)-Exclud