As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 FUEL FILTER BYPASS LIGHT ILLUMINATED ON TAXI IN. GROUNDED - YES. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01. PERFORMED EEC TEST IAW AMM 73-21-00. NO FAULTS FOUND. PERFORMED LEAK CHECK NO LEAKS NOTED.