What was found
FLIGHT CREW RECIEVED AN ECAM ADVISORY FOR NAV/TCAS FAULT WITHIN 1-2 SECONDS OF INITIATING THE TAKEOFF ROLL AND THE TAKEOFF WAS ABORTED AROUND 15-20 KNOTS. THE FLIGHT CREW REPORTED THAT THE ECAM MESSAGE DIAPPEARED AFTER ACCOMPLISHING A THOUROUGH ASSESSMENT AND IT WAS DETERMINIED THE AIRCRAFT DIDI NOT HAVE AN ON GOING PROBLEM AND ACCOMPLISHED A NORMAL TAKEOFF. THERE WAS NO RE-OCCURANCE OF THE ECAM MESSAGE THE DURING THE REMAINDER OF THE FLIGHT.