What was found
FLIGHT 3334, CREW RECEIVED AN EICAS E1 FUEL LOW TEMP MESSAGE. CONTINUED TO MONITOR TEMPERATURE. REQUESTED DESCENT AND TEMPERATURE CONTINUED TO DECREASE. DECLARED AN EMERGENCY, COMPLIED WITH AOM VOL 1 PROCEDURES AND ELECTED TO DIVERT. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 2 DAU IAW AMM 31-41-00 AND OPS CHECKED GOOD IAW TASK 31-41-00-700-801-A. PERFORMED INSULATION TEST ON PINS A & B, A & C, AND B & C ON RT ENG FUEL TEMP SENSOR C/P P11 TO DAU NR 2 RACK. REF AMM 20-20-03 NO DEFECTS NOTED. RECONNECTED RIGHT ENGINE FUEL TEMP SENSOR C/P REF AMM 20-50-00. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.