As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE BITE SHOWS A LONG TIME FAULT 73-31072, THE FUEL FILTER SIGNALS DISAGREE. ACFT GROUNDED. PERFORMED T/C 78273000, VERIFIED NO FAULT MESSAGES LOGGED FOR THE LAST 10 FLT LEGS FOR THE NR 2 ENGINE, EEC BITE TESTED WITH NO FAULTS.