As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
During cruise of the flight from RDU to LGA, the crew reported R?H engine oil pressure fail. The engine was shutdown as a precaution and the flight diverted to RIC where it landed without incident. Maintenance personnel found the fuel/oil heat exchanger cracked. The heat exchanger was removed and replaced, operational and leak checks were satisfactory and the aircraft was returned to service.