What was found
ON FLIGHT 4207, CREW REPORTED ON CLIMB-OUT THERE WAS SOME FUEL VENTING FROM THE RIGHT WING VENT VALVE. SERVICED TANKS TO 10600 LBS AND WAS UNABLE TO DUPLICATE LEAK. OK PER EMB AMM 28-12-00 OVERWEIGHT LANDING. AIRCRAFT REMOVED FROM SERVICE. DESCENT WAS UNDER 300 FPM, NO MAINTENANCE ACTION REQUIRED FOR OVERWEIGHT LANDING. INSPECTED AIRCRAFT, NO ACTION REQUIRED PER EMB AMM 28-12-00 AND NR 8194; AND NR 8194; AIRCRAFT RETURNED TO SERVICE.