As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL FLT 710 EN-ROUTE PHL TO ZRH. THE FLIGHT RETURNED TO FIELD DUE TO A NUMBER 2 ENGINE FUEL FILTER MESSAGE. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NUMBER 2 ENGINE FUEL PRESSURE SWITCH. OPERATIONALLY AND LEAK CHECKS OK. [SUPP-CLOSED] (B)