What was found
EN ROUTE FROM ORF TO CLT, ACFT ENTERED ICING CONDITIONS. RECEIVED MULTIPLE LT, RT WING ANTI-ICING CAUTION MESSAGE'S WITH WING SELECTED ON. COMPLIED WITH QRH ACTIONS, MESSAGE'S CONTINUED. QRH DIRECTED TO LEAVE ICING CONDITIONS BUT NO PLACE IN FUEL RANGE WHERE ICING CONDITIONS COULD AVOIDED & ACFT WAS ACCUMULATING ICE. EMERGENCY WAS DECLARED TO EXPEDITE ARRIVAL INTO CLT, NORMAL LANDING & TAXI. INSPECTED 14TH STAGE DUCTING IN AFT OF ACFT NO DEFECTS NOTED. PERFORMED OPERATIONAL CHECK OF WING ANTI-ICE SYSTEM IAW CRJ AMM 30-12-00. OPERATIONS CHECKED NORMAL.