As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL PRESSURE LOW L AMBER CAS: AFTER TAKEOFF ABOUT 300 FT AGL WE RECEIVED THE FUEL PRESSURE LOW L CAS MESSAGE. RAN THE QRH MESSAGE DID NOT CLEAR. ON FINAL BACK INTO PWK THE MESSAGE CLEARED CORRECTIVE ACTION; REPLACED LH ENGINE FUEL PRESSURE SWITCH IAW CE 680 AMM 73-10-00. PERFORMED ENGINE RUN WITH NO DEFECTS NOTED.