What was found
AFTER TAKEOFF AND DURING CLIMB OUT THE ANTI-ICE SYSTEMS WERE SELECTED ON (IN ICING CONDITIONS). THE CYAN "L COWL A/ICE FAULT" CAS CAME ON. CHECKLIST PROCEDURES WERE NOTED. THE ANTI-ICE BLEED SYNOPTIC SHOWED THE LEFT ENGINE ANTI-ICE BLEED VALVE IN AMBER WHILE THE COWL INSELF WAS DEPICTED GREEN. THE LEFT ENGINE ANTI-ICE SYSTEM WAS CYCLED SEVERAL TIMES, EACH TIME POSTING THE SAME CAS MESSAGE. CORRECTIVE ACTION: REMOVED AND REPLACED ANTI-ICE VALVE AND SHUTOFE, PERFORMED LEAK AND OPS CHECK-NO LBAKS, OPS CHECK GOOD. NO CAS MESSAGE DISPLAYED, REF BOMBARDIER GL-6000 AMM 30-21-01.