As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL, RECEIVED A FUEL FILTER BYPASS CAUTION LIGHT FOR THE NR 2 ENGINE. FUEL FILTER HOUSING DRAINED WITH NO CONTAMINATES NOTED. DRAIN PLUG REINSTALLED AND LEAK CHECKS OK. REMOVED & REPLACED THE NR 2 ENGINE FUEL FILTER, NO DAMAGE OR CONTAMINATION NOTED. REMOVED & REPLACED THE NR 2 ENGINE FUEL FILTER BYPASS SWITCH. OPS & LEAK CHECKED GOOD IAW AMM 73-11-02, & 73-21-00. GROUND RAN THE NR 2 ENGINE, FILTER BYPASS LIGHT DID NOT ILLUMINATE. ACFT GROUNDED.