What was found
AT APPLICATION OF STD TAKEOFF POWER ON TAKE OFF ROLL, RED CONFIG LIGHT AND RED EICAS MESSAGE "SPOILERS" ACCOMPANIED BY WARNING HORN. TAKEOFF ABORTED AT 50KTS. QRH PROCEDURES ACCOMPLISHED FOR BOTH ITEMS. FOUND B-BK WIRE FROM SPOILER HANDLE POSITION SWITCH S493 BROKEN AT TB190. RETERMINATED WIRE B-BK AT TB190. ALSO RETERMINATED WIRES W1115-0412-22 AND W1115-0425-22 AT TB 190. REF SWMP AND WDM 31-51-41 AND 33-16-61. REINSTALLED PANELS ON BOTH LEFT AND RIGHT SIDE OF CENTER PEDESTAL, REINSTALLED CAPTAIN'S SEAT AND SECURED.