As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FULL POWER TAKEOFF ROLL, AFTER 5 SECONDS OR SO A BURNING RUBBER SMELL WAS SENSED. TAKEOFF DISCONTINUED. POST FLIGHT INSPECTION NORMAL. T/S TO DEFECTIVE ACM, FWD PAC. REMOVED FAULTY FORWARD ACM AND INSTALLED OVERHAULED UNIT. REMOVED OIL FROM WATER SEPARATOR IAW MM 12-10-01 REV. 33. OPS CHECK LEAK CHECK. OPS AND LEAK CHECK GOOD IAW MM 21-51-00.