As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT SHORTLY AFTER LIFT OFF, THE RT THRUST REVERSER ARM LIGHT BEGAN TO FLICKER, AND THEN REMAINED ILLUMINATED. AFTER THE LANDING GEAR AND FLAPS WERE RETRACTED, THE EMERGENCY STOW SWITCH WAS DEPRESSED. THE AIRCRAFT WAS DIVERTED WHERE IT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED A FAULTY STOW SWITCH FOR THE RT THRUST REVERSER. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.