What was found
FLIGHT 4537, CREW REPORTED THAT AFTER TAKEOFF BOTH FUEL INDICATORS SHOWED DASHES. BOTH CAME BACK AFTER 2-3 SECONDS WITH ERRATIC INDICATIONS FOLLOWED BY FUEL IMBALANCE CAUTION MESSAGE ON EICAS. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REBALANCE FUEL WITH FUEL TRUCK AND OPS CHECK FUEL SYSTEM IAW AMM 28-41-00 AND 28-20-04. NO DEFECTS NOTED. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.