As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THRUST REVERSER CLASS II AND CLASS I MESSAGES. OPERATIONS WERE CONTINUED MEL. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED A FAULT WITH THE RIGHT T/R SWITCH WIRING HARNESS. THE DEFECTIVE HARNESS WAS REMOVED AND AN INSPECTED HARNESS WAS INSTALLED. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.