What was found
WHILE ACCOMPLISH AN INTERNAL BORESCOPE INSPECTION OF LEFT HAND WING NUMBER 8 SLAT FOR RIB DAMAGE AT LOOSE RIVETS AREA (REFERENCE SPECIAL NONROUTINE MAINTENANCE FORM N00974) FOUND RIB CRACK AT APPROXIMATELY STATION XOS 1141.220. LEFT WING NUMBER 8 SLAT CRACKED RIB AT STATION XOS 1141.220 CARRIED OUT REPAIR AS PER EA # 1-5750-T0375297 PART 1 TITLE: WING - FLIGHT SURFACES - LHW #8 SLAT - RIBS FABRICATION / REPLACEMENT AND 26 EA PLUGGED FASTENER HOLES C / T LOWER SKIN. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.