As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OF FLIGHT 7351 CREW REPORTED A RIGHT HAND THRUST REVERSER UNLOCK MESSAGE AND RETURNED TO DEPARTURE FIELD. FLIGHT LANDED UNEVENTFULLY. THE RIGHT HAND THRUST REVERSER STOW SWITCH WAS FOUND INOPERATIVE AND REPLACED. A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RETURNED TO SERVICE.