As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM KCKB, THE LT THRUST REVERSER UNLOCK MESSAGE ILLUMINATED. THE FLIGHT CREW COMPLETED THE QRH AND REQUESTED TO RETURN TO KCKB. AN OTHERWISE NORMAL APPROACH AND LANDING WAS PERFORMED. BOMBARDIER MAINTENANCE FOUND THE THRUST REVERSER STOW SWITCH MIS-RIGGED. THE SWITCH WAS RIGGED, THE ENGINE WAS RUN UP AND THE AIRCRAFT WAS RELEASED FOR SERVICE.