As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RT THRUST REVERSER MESSAGE IN FLIGHT. CREW RAN QRH, DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R RT THRUST REVERSER POWER DRIVE UNIT (PDU), AND PERFORMED CHECKS IAW AMM. AIRCRAFT RELEASED FOR SERVICE.