What was found
LEFT HAND WING LEADING EDGE #8 SLAT INTERNAL RIB FOUND CRACK DURING BORESCOPE INSPECTION AT STATION XOS 1086.831. CRACKED RIB AT LEFT HAND WING #8 SLAT INTERNAL AT STATION XOS 1086.831 REPAIRED AS PER EA# 1-5750-T0374170 PART 1 TITLE: WINGS -FLIGHT SURFACES - LH WING NO.8 - RIBS REPLACEMENT AT XOS1086, XOS1092, XOS1130, XOS1135, XOS1141 - RSC TRACKING. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.