What was found
DURING ACCOMPLISHMENT OF EO: 6-5710-7-3305, D3, PT4, WRI: 57101121, POST REMOVAL OF FASTENER "A" IN CTR WING BOX REAR SPAR FR.47 RT JUNCTION WITH FUSELAGE SCORE DAMAGE FOUND IN WALL OF HOLE AND SCRATCH IN UPPER SURFACE AROUND HOLE. HOLE "A" EXISTING DIA= 0.591 IN. FASTENER "A" HOLE REAMED TO REMOVE SCRATCH DAMAGE, NDT CARRIED OUT, NIL FINDINGS AND UPPER SURFACE SCRATCHES REMOVED BY SPOTFACING. FASTENER INSTALLED IAW REPAIR INSTRUCTION: EA 6-5710-167455. AIB RDAS: 70579170/005/2013 ISSUE B REFERS. MAJOR REPAIR CAT "B".