As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS TAKE OFF POWER WAS APPLIED, THE RIGHT ENGINE OIL PRESSURE DROPPED TO ZERO THEN BEGAN TO JUMP BETWEEN NORMAL LEVELS AND ZERO. NO OTHER LOW OIL PRESSURE INDICATIONS WERE NOTED. TAKE OFF ABORTED. REMOVED AND REPLACED NR 2 ENGINE OIL PRESSURE TRANSMITTER WITH NEW TRANSMITTER IAW CESSNA-560XL MM CHAPTER 79-31-01. OPS CHECK AND LEAK CHECK GOOD.