As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENGINE NUMBER 2 FUEL FILTER BYPASS LIGHT ILLUMINATED AFTER LANDING. LIGHT REMAINED ON UNTIL ENGINE SHUTDOWN. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL SWITCH. OPERTIONAL CHECK GOOD. PER AMM 73-34-01-000-801-F00.