What was found
WHEN COMPLYING WITH SB ON AC, THE RT WING FUEL BOOST PUMP WIRING WAS FOUND TO BE UNACCEPTABLE IAW SB OUTER JACKET, WIRE BRAID AND WIRE INSULATION CHAFED THRU, ALSO ABOUT HALF OF WIRE WAS ALSO CHAFED. THE WIRING WAS CHAFED ON A FUEL SUPPLY TUBE PN 652635548 WHICH IS ALSO BEING REPLACED DUE TO THE STATED ALLOWABLE LIMITS BEING EXCEEDED. BOTH THE PUMP AND THE TUBE WERE REPLACED THIS MAINT VISIT. THE AC WAS IN SCHEDULED MAINT WHEN THIS ISSUE WAS FOUND.