As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, THE NR 3 ENGINE LOW OIL PRESSURE WARNING ILLUMINATED. THE TAKEOFF WAS ABORTED AT 80 KTS AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND THE OIL FILTER AND OIL PRESSURE ORIFICE OBSTRUCTED WITH CARBON. THE ENGINE WAS REPLACED AND RUNUP CHECKED OK. AIRCRAFT RETURNED TO SERVICE.