What was found
TAKEOFF CONFIGURATION WARNING DURING T/O ROLL, ABORTED T/O PRIOR TO 70KTS. AIRCRAFT CONFIG WAS NML FOR T/O CONDITIONS. ACCOMPLISHED TAKEOFF WARNING SYS TEST, NO DEFECTS NOTED. SAME PROBLEM OCCURED 4 NOV 99 AT DFW. CYCLED FLIGHT CONTROLS, CHECKED GOOD. NO PRIOR HISTORY. RECOMMENDATION: IN DEPTH LOOK, TECH SUPPORT CONTACTED.