What was found
ORD - DURING MAINTENANCE TO REPAIR AN INOPERATIVE LT AIR CYCLE MACHINE COOLING FAN PREVIOUSLY PLACARDED INOP AT DFW/24, FOUND COOLING FAN WIRE BUNDLE SHORTED AND BURNED DUE TO CHAFING AT FIRST CLAMP AND BRACKET. REPLACED LT ACM COOLING FAN, REPLACED ELECTRICAL CONNECTOR AND REPAIRED WIRE BUNDLE BY REPLACING WIRE FROM P1-173 CONNECTOR TO FIRST SPLICE. OPERATED LT ACM WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)