What was found
DUEL FUEL FILTER BYPASS LIGHTS ILLUMINATED. DECLARED EMERGENCY AND RETURNED TO DEPARTURE. R & R THE NR 1 ENGINE FUEL FILTER IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DUEL FUEL FILTER BYPASS LIGHTS ILLUMINATED. DECLARED EMERGENCY AND RETURNED TO DEPARTURE. R & R THE NR 1 ENGINE FUEL FILTER IAW MM.