What was found
A LOW-SPEED ABORTED TAKEOFF OCCURRED AT APPROXIMATELY 50 KNOTS DURING THE INITIAL TAKEOFF ROLL DUE TO A MOMENTARY MASTER WARNING ALERT ON THE CREW ALERTING PANNEL. THE CREW NOTIFIED THE TOWER, AND THE AIRCRAFT EXITED THE RUNWAY. MAINTENANCE INSPECTED THE AIRCRAFT, SERVICED THE ENGINE OIL, AND THE AIRCRAFT DEPARTED WITHOUT FURTHER INCIDENT.