What was found
(B18617)TAKEOFF WARNING APPEARED & PSEU LIGHT ON DURING INITIAL ROLL RTO AT IAS 30-40 KTS. PERFORMED SPEED BRAKE HANDLE RESET, WARNING LIGHT DISAPPEARED, RAN ENGINE TO N1:60 PERCENT TO CONFIRM NO RELATED FAULT, CONTINUE FLT. AMM 05-51-07 HIGH ENERGY STOP INSPECTION CHECK PERFORMED, AND CONDITION NORMAL. GROUND CHECK CONFIRMED PSEU FAULT HISTORY HAVE MESSAGE "27-62001 SPDBRK DN FAULT". SPEED BRAKE HANDLE CYCLED AND OPS CHECK CONDITION NORMAL. PERFORM PSEU SELF TEST & TAKE OFF WARING TEST NORMAL.