What was found
ON FLIGHT 4400 DURING THE CLIMBOUT THE CREW REPORTED, LOST FUEL QUANTITY INDICATIONS FOR TANK 2 AND RECEIVED A FUEL IMBALANCE MESSAGE ON EICAS. THE CREW ALSO RECEIVED ANOTHER MESSAGE ON EICAS WARNING FOR FUEL LOW FOR TANK 1. THE CREW DECLARED AN EMERGENCY AND RETURNED TO RDU. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FUEL QUANTITY INDICATOR SELECTOR IAW EMB140 AMM 28-23-08. OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.