As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 883CC ON FLIGHT 5157 CVG/CLT. DURING TAKEOFF ROLL THE RIGHT ENGINE OIL PRESSURE GAUGE WENT TO 40 PSI AND THE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED. TAKEOFF WAS ABORTED, THE AIRCRAFT RETURNED TO THE GATE WITH NO OTHER PROBLEMS. NO EMERGENCY WAS DECLARED. MAINTENANCE ADDED TWO QUARTS OF OIL TO THE RIGHT ENGINE. A GROUND RUN WAS PERFORMED. GROUND RUN WAS GOOD, AND OPS CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.