What was found
(CAN) DURING FLIGHT, ENROUTE, THE CREW OBSERVED A RT FUEL LOW PRESS MESSAGE ON EICAS FOLLOWED BY FUEL IMBALANCE. AT 1000 LB FUEL DIFFERENTIAL BETWEEN TANKS, THE QRH PROCEDURE FOR FUEL IMBALANCE WAS INITIATED. AS A RESULT, THE RT ENGINE WAS SHUTDOWN. THE AIRCRAFT DIVERTED. AN EMERGENCY WAS DECLARED AND GROUND EMER EQUIP WAS ON STANDBY. THE AIRCRAFT LANDED WITHOUT FURTHER EVENT. MAINT FOUND A CLAMP FOR THE FUEL FEED LINE FROM THE RT COLLECTOR TANK WAS NOT PROPERLY ATTACHED. THE CLAMP HAD SHIFTED SUFFICIENT TO ALLOW A MISALIGNMENT OF THE FUEL LINES RESULTING IN THE ESCAPE OF FUEL AT THAT LOCATION. THE ROOT CAUSE FOR THIS IS NOT FULLY ESTABLISHED. MAINT REPLACED THE COUPLING O-RINGS AND RECONNECTED THE WIG