What was found
CENTER WING BOX - INSPECTION OF REAR SPAR AND BOTTOM PANEL AT JUNCTION WITH FUSELAGE FR47 LH SIDE, FASTENER "C" HOLE FOUND CRACK SIGNAL. COMPLIED WITH EA 6-5710-T0361325 P1, TITLE: WINGS - BASIC WING STRUCTURE- CRACK HOLE C AT FR47 LHS DURING SB57-6121 EMBODIMENT. REPAIRED THE CENTER WING BOX REAR SPAR AND BOTTOM PANEL AT JUNCTION WITH FUSELAGE FR47 LH SIDE FASTENER "C" HOLE CRACK.THIS IS CAT B REPAIR. THE FURTHER INSPECTION REQUIREMENT PER EA 6-5710- T0361325. MAJOR REPAIR IAW FEDEX GMM 6-2-100.