As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4182 THE CREW REPORTED A STRONG BURNING ODOR ON THE TAKEOFF ROLL AT 80-90 KNOTS. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. TROUBLESHOT PER ETN EM-72-034 R4, AND COULD NOT DUPLICATE THE ODOR. THE AIRCRAFT WAS RETURNED TO SERVICE.