As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, OIL PRESSURE IN THE RIGHT ENGINE SUDDENLY DROPPED TO 0 TOGETHER WITH THE MASTER WARNING AND R ENG OIL ANNUNCIATION ILLUMINATED FOR ABOUT 3 SECONDS. THE FLIGHT CREW REPORTED THAT THE OIL PRESSURE RECOVERED ONCE THEY PULLED THE THROTTLE BACK TO FLIGHT IDLE. AIRCRAFT WAS DIVERTED BACK TO ORIGIN UNEVENTFULLY.