What was found
SHORTLY AFTER DEPARTING ORD EN ROUTE LHR, CREW RECEIVED STATUS MESSAGE ON BLEED LOOP NR 1. SUBSEQUENTLY MESSAGE RECEIVED FOR NR 2 BLEED LOOP. AIRCRAFT DIVERTED TO IAD. *S/D* DUCT CLAMP ON RIGHTHAND AC PACK LOWER FLOW CONTROL VALVE (FCV) BROKE, TRIGGERING A BLEED LEAK DETECTION BY THE DUCT LEAK OVERHEAT DETECTION (DLOD) SYSTEM AND ISOLATION OF THE RT BLEED SYSTEM. REPLACED BROKEN CLAMP ON FLOW CONTROL VALVE.