What was found
RT PACK AUTO PWR LT PACK STANDBY PWR C/B OUT, UNABLE TO RESET. ICELANDAIR RECENTLY TOOK DELIVERY OF CONVERTED 757-200 FREIGHTER. REASON FOR C/B POPPING WAS DAMAGE TO APPROX 15 WIRES IN BUNDLE W2356. UPON REMOVING ZIP-TIES FROM WIRE BUNDLE W2356 (2 METER LONG STRETCH) & SHAKING WIRING, AN INCREDIBLE AMOUNT OF METAL CUTTINGS/DEBURS FELL OUT. METAL CUTTINGS HAD TORN THROUGH INSULATION OF WIRES & CAUSED ELECTRICAL ARCING, RESULTING IN 15 WIRES BEING SPLICED/REPAIRED. DAMAGE IS APPROX STA 305, WL 170, RT SIDE. WIRE BUNDLE W2536 RUNS FROM P11 PANEL BEHIND P61 THROUGH FLOOR & AFT UNDER FLOORBOARDS. SEVERAL BREAKERS POPPED IN AIR CONDITIONING, LIGHTS & FUEL. WIRES REPAIRED PER SWPM 20-00 WIRE BUNDLE W2356.