What was found
LEFT HAND WING - WINGTIP LEADING EDGE ASSEMBLY LOWER SURFACE STATION XW 970.4 FASTENERS AREA FOUND CRACKED. CRACKED SKIN AROUND FASTENERS AREA AT LEFT HAND WING - WINGTIP LEADING EDGE ASSEMBLY LOWER SURFACE STATION XW 970.4 REPAIRED AS PER ENGINEERING AUTHORIZATION # 8-5710-T0361927 PART 1 TITLE " WINGS - BASIC WING STRUCTURE - LH WING - FWD WING TIP ASSY - 02EA CRACKS FOUND ON SKIN LOWER SURFACE AT XW 970.400 " WORK INSTRUCTIONS. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.