As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT AFTER LANDING THE RIGHT THRUST REVERSER DID NOT DEPLOY. BOTH ARM AND UNLOCK LIGHTS ILLUMINATED BUT THE DEPLOY LIGHT DID NOT. DURING THE POST FLIGHT INSPECTION A BROKEN THRUST REVERSER DRIVER ARM WAS FOUND AND THE FAIRING WAS BUCKLED. MAINTENANCE REPLACED THE THRUST REVERSER ASSEMBLY AND PERFORMED INSTALLATION AND FUNCTIONAL CHECKS OF THE SYSTEM WITH NO NOTED DEFECTS. THE AIRCRAFT WAS RETURNED TO SERVICE.