As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING, THE RT THRUST REVERSER UNLOCK LIGHT CAME ON FOLLOWED BY THE ARM LIGHT. TURNED ON THE EMERGENCY STOW SWITCH PERFORMED MEMORY ITEMS FOLLOWED BY THE CHECKLIST. DECLARED THE EMERGENCY AND DIVERTED. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE RIGHT THRUST REVERSER INBD AND OTBD STOW SWITCHES WITH NEW AND REACTIVATED THE LT AND RT THRUST REVERSER AND OPS CHECKED GOOD IAW CMM 78-30-1 AND AMM 78-31-00-3.