As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AND IN CLIMB WHILE RETRACTING THE FLAPS TO ZERO THE RIGHT ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED, THE EMERGENCY STOW SWITCH WAS ACTIVATED AND THE SYSTEM WORKED CORRECTLY. THE ARM LIGHT CAME ON AND THE UNLOCK LIGHT EXTINGUISHED. THE CHECKLIST WAS FOLLOWED AND THE AIRCRAFT DIVERTED TO KLBE AND LANDED WITHOUT INCIDENT. TROUBLESHOOTING DETERMINED THAT THE FAULT WAS WITH THE THRUST REVERSER STOW LIMIT SWITCH.