The flight returned to PHL after a bit more than two hours enroute.
Not sure what the issue was but the aircraft departed for MAD with the same crew just more than two hours after arriving in PHL and arrived in MAD without incident.
Yes. A/C 278.
AUTO FLT: FCU FAULT APPEARED PRIOR TO OCEANIC FLT. STATUS MSG: P
ART FCU. REPLACED #1 F.M.G.E.C.