As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, NOTICED THE RT ENGINE OIL PRESSURE WAS BELOW 90 PSI, ALL OTHER ENGINE INDICATIONS WERE NORMAL. ADVISED ATC OF THE DIVERSION AND DECLARED AN EMERGENCY. LANDED WITHOUT FURTHER INCIDENT. R & R RT ENGINE OIL PRESSURE TRANSDUCER.