As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT OF KTYS TO KDTW ON A PART 91 REPOSITIONING FLIGHT, THE RT REV UNLOCKED WARNING ILLUMINATED. THE FLIGHT CREW COMPLETED THE QRH AND ELECTED TO RETURN TO KTYS. CENTER WAS NOTIFIED AND THE FLIGHT WAS VECTORED TO KNOXVILLE. AN OTHERWISE NORMAL APPROACH AND LANDING WAS MADE AT KTYS. MAINTENANCE FOUND THE CONNECTOR LOOSE ON THE STOW SWITCH. A GROUND RUN AND OPERATION OF THE THRUST REVERSER WAS NORMAL. THE AIRCRAFT WAS RELEASED FOR SERVICE.