What was found
FLIGHT 648, ENROUTE, AIR TURNBACK, MAINTENANCE PERFORMED EXTENSIVE TROUBLESHOOTING, ERFORMED A DVI OF THE NR 2 ENGINE FUEL TANK FEEDER JET PUMP. FOUND FOD INSIDE THE OUT FLOW OF THE PUMP. CLEANED AND REMOVED FOD. OCF PERFORMED. OCF SATISFACTORY, NO FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.