What was found
(CAN) NR 1 ENGINE ANTI-ICE AMBER LIGHT ILLUMINATED ON CENTER DU PANEL WITH ALL OTHER INDICATIONS SHOWING NORMAL. DUE TO ICING CONDITIONS CREW DID AN AIR TURNBACK , AND LATER THE NR 1 ENGINE COWL ANTI-ICE VALVE WAS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) NR 1 ENGINE ANTI-ICE AMBER LIGHT ILLUMINATED ON CENTER DU PANEL WITH ALL OTHER INDICATIONS SHOWING NORMAL. DUE TO ICING CONDITIONS CREW DID AN AIR TURNBACK , AND LATER THE NR 1 ENGINE COWL ANTI-ICE VALVE WAS REPLACED.