What was found
DURING ACCOMPLISHMENT OF EO: 6-5710-7-3305 D3 PT4, WRI: 57101121, POST REMOVAL OF FASTENER "S" IN CTR WING BOX REAR SPAR FR 47 RT JUNCTION WITH FUSELAGE SCORE DAMAGED FOUND IN WALL OF HOLE. HOLE "S" EXISTING DIA= 0.653 IN. FASTENER "S" HOLE REAMED TO REMOVE SCORES, NDT CARRIED OF HOLE CARRIED OUT, NIL FINDINGS. FASTENER INSTALLED IAW REPAIR INSTRUCTION: EA 6-5710-167455. AIB RDAS: 70579170/005/2013, ISSUE B REFERS. MAJOR REPAIR CAT "B".