As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CYAN L ENGINE A/I FAILED ON CAS POSTED WITH ALL ANTI-ICE OFF. CREW DETECTED SLIGHT SMELL OF SMOKE. THE CAS DISAPPEARED AFTER 15-20 MINUTES. REPLACED #1 ENGINE ANTI ICE VALVE IAW CH 300 AMM 30-21-01. REPLACED PRESSURE SWITCH IAW AMM 30-21-03. ALL OPS AND LEAK CHECKS GOOD.