What was found
TAKE OFF WARNING HORN SOUNDED AT APPROX 70 KTS. TAKE OFF WAS ABORTED, NORMAL BRAKING WAS USED. UPON EXITING THE RUNWAY, NOTICED SPOILERS WERE STILL DEPLOYED. UPON RUNNING CHECKLIST, WE WERE UNABLE TO GET THE SPOILERS TO RETRACT WHEN POWER LEVERS WERE PUT ABOVE FLIGHT IDLE. ABORTED TAKE OFF. REMOVED FROM SERVICE. INTERROGATED CDS, NO FAULTS FOUND. PERFORMED FUNCTIONAL TEST OF THE TAKE-OFF WARNING SYSTEM IAW AMM TASK 31-52-00-720-801. SYSTEM TESTS GOOD. PERFORMED OPERATIONAL TEST OF THE GROUND SPOILER SYSTEM IAW AMM TASK 27-62-00-710-801. SYSTEM TESTS GOOD. PERFORMED OPERATIONAL TEST OF THE ROLL SPOILER SYSTEM IAW AMM TASK 27-61-00-710-801. SYSTEM TESTS GOOD. PERFORMED OPERATIONAL TEST OF THE ELEVATOR PITCH TRIM SYSTEM IAW AMM TASK 27-32-00-710-802. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.