As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK. FLIGHT CREW REPORTED NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED. REMOVED AND REINSTALLED C/P D404 ON NR 2 ENGINE FIREWALL. INSPECTED NR 2 ENGINE FUEL FILTER. NO DEBRIS NOTED. SYSTEM CHECKED OKAY. NORMAL TAKEOFF POWER IAW MM 73-34-00.