As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 8658, ENROUTE: SMF - CEC AIR TURNBACK, RECURRING AMBER PROP HEAT L CAS MESSAGE MIDWAY TO CEC DURING ICING CONDITIONS. AIRCRAFT RETURNED TO SMF. NO EMERGENCY WAS DECLARED. LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LT NR 3 PROP LEAD. OPS CHECK GOOD.