As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL 400, RECEIVED AN AMBER CAS MESSAGE FOR FUEL FILTER BYPASS RT. COMPLIED WITH QRH AND DIVERTED. DID NOT EXPERIENCE ANY ENGINE SURGING OR OTHER ANOMALIES. REMOVED AND REPLACED FUEL IMPEDING BYPASS DIFFERENTIAL SWITCH IAW MM 73-10-03.