What was found
FUSE CTR WING BOX INSP OF REAR SPAR & BOTTOM PANEL FASTENER HOLE H WITH CRACK SIGNAL LT SIDE. REAMED THE FUSE CTR WING BOX REAR SPAR & BOTTOM PANEL FASTENER HOLE "H" LT TO REMOVE CRACK PER A300-600 SRM51-40-44. COMPLIED WITH EA 6-5710-T0309661 PT1, REAR SPAR AND BOTTOM PANEL AT JUNCTION WITH FUSELAGE /FRAME 47 FASTENER HOLES CRACK REPAIR. REPAIRED "H" HOLE LT SIDE FR47 RIB1. THIS REPAIR IS CATEGORY "C", REPAIR LIFE LIMITATION: 6 MONTHS. MAJOR REPAIR IAW FEDEX GMM 6-2-100.