What was found
ON FLIGHT 3766 CREW REPORTED STRONG SMELL, BURNING, IN COCKPIT ON TAKEOFF ROLL, NOT ELEC. POSSIBLY A/C SMOKE, NO VISIBLE SMOKE, HIGH SPEED ABORT AT 115 KTS. MILD SIMILAR SMELL HAD BEEN NOTED AT THE GATE. FLIGHT ATTENDANT ALSO NOTED THE STRONG SMELL AT HER JUMP SEAT, SAID SHE THOUGHT IT WAS BURNING TIRES. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED ENG RUNS IAW ETN-EM-72-034, NO ODORS NOTED AT THIS TIME. THE ACFT RETURN TO SERVICE.