As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT WAS ENROUTE FROM PIT TO LEX AND THE CREW RECEIVED A FUEL FILTER BYPASS INDICATION. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND THEN CALLED MAINTENANCE CONTROL WHO HAD THE CREW DIVERT TO DAY FOR MAINTENANCE. MAINTENANCE INSPECTED AND REPLACED THE FUEL FILTER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-00-00. OPERATIONAL CHECKS WERE PERFORMED AND FLIGHT 4054 CONTINUED ON TO LEX.