As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FILTER BYPASS L CAS ILLUMINATED IN FLIGHT, EMERGENCY DECLARED. REMOVED & INSPECTED LT FUEL FILTER ELEMENT. NO DEBRIS OR FOREIGN MATERIAL FOUND IN ELEMENT OR IN BOWL. PERFORMED LT ENGINE START & IMMEDIATELY RECEIVED A FUEL FILTER BYPASS "L" CAS MESSAGE WITH NEW FILTER ELEMENT INSTALLED. R & R LT FUEL FILTER DELTA 'P' SWITCH. GROUND RAN OF BOTH ENGINES WITH NO ABNORMAL CAS MESSAGES. IAW MM 73-10-03 OTHER FUEL FILTERS & FUEL SAMPLES CHECKED GOOD. NO DEBRIS.