As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 FILTER BYPASS LIGHT ILLUMINATED ON TAXI IN, STAYED ON UNTIL SHUTDOWN. GROUNDED - YES. PERFORMED EEC BITE PER FIM 73-00 TASK 801 - FOUND FAULT CODE 73-31071 THE FUEL FILTER SIGNALS DISAGREE. FOUND CANON PLUG DISCONNECTED FROM NR 1 ENG FUEL FILTER DIFFERENTIAL PRESS SWITCH SW DP0803. RE-INSTALLED CANON PLUG, RAN NR 1 ENG ALL NORMAL INDICATIONS.