As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION NR 2 ENGINE FUEL FILTER BYPASS ILLUMINATED. STAYED ON FOR ABOUT 15 MINUTES. ACFT GROUNDED. ON ARRIVAL, THE NR 2 ENGINE FUEL BYPASS LIGHT NOT ILLUMINATED. REMOVED AND REPLACED THE FILTER, NO CONTAMINATION NOTED ON FILTER AND LEAK CHECKED GOOD IAW AMM 73-11-02-000-801. PERFORMED EEC BITE CHECK AND FOUND FUEL FILTER SIGNAL DISAGREE AND EEC TEST PASSED IAW AMM 73-21-00. REMOVED AND REPLACED THE NR 2 ENGINE FUEL DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01. OPS CHECKED GOOD.