As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FILTER BYPASS LIGHT ILLUMINATED ON TAXI IN. ACFT GROUNDED. NR 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE WARNING SYSTEM IS INOPERATIVE. REPLACED THE NR 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW FIM 73-05 TASK 801. OPS & LEAK CHECKED OK.