As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EUG FLIGHT NR 2156, NR 1 FUEL FILTER BYPASS, MASTER CAUTION. MAINTENANCE REPLACED NR 1 ENGINE HP AND LOW PRESSURE FUEL FILTERS IAW DHC8-2-- AMM 73-10-00-000-802 AND 73-10-00-400-802, 73-10-00-000-801 AND 73-10-00-400-801. REPLACED CONNECTOR 7700-P1. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.