What was found
DURING ACCOMPLISHMENT OF EO: 6-5710-7-3305 D3 PT4, WRI: 57101121, POST REMOVAL OF FASTENER "F" IN CTR WING BOX REAR SPAR FR 47 RT JUNCTION WITH FUSELAGE SCORE DAMAGE FOUND IN WALL OF HOLE, HOLE "F" EXISTING DIA= 0.529 IN. HOLE "F" SCORES REMOVED BY REAMING, HOLE NDT, NIL FINDINGS AND FASTENER INSTALLED IAW REPAIR INSTRUCTION OF EA 6-5710-167455. AIB RDAS: 70579170/005/2013 ISSUE B REFERS. MAJOR REPAIR CAT "B".