As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL ENGINE NR 3 REVERSER OPEN (REV OIL) LIGHT ON. ABORTED TAKEOFF, RETURNED TO THE RAMP 78-34-4-3. INSPECTED ENGINE THRUST REVERSER, NO DAMAGE NOTED. DEACTIVATED REVERSER AND LOCKED IN ACCORDANCE WITH MM 78-00-01; ENTERED ON DMI NR 21655 IN ACCORDANCE WITH MEL 78-1-1 CAT "C". COMPLIED WITH AOM RTO BRAKES COOLING PERIOD, PLACARD INSTALLED. CLEARED DMI # 21655; OPERATIONAL CHECK FOUND OK IN ACCORDANCE WITH MM 78-00-00.