As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FILTER BYPASS LT AMBER CAS MSG IN FLIGHT. INSP THE LT ENG FUEL FILTER. NO DEFECTS NOTED. REINSTALLED SAME. NO FILTER BYPASS CAS MESSAGE WAS FOUND ON INSP. PERFORMED FUNCTIONAL TEST OF FUEL FILTER PYPASS INDICATING SYS IAW MM CH 73-37-10. OPS CHECKS GOOD. BYPASS VISUAL INDICATORS WERE NOT EXTENDED. RAN THE ENGINE. LEAK CHECKS GOOD.