As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT THRUST REVERSER UNLOCK LIGHT ILLUMINATED IN FLIGHT ON DESCENT COMING THROUGH 18,300 FT. MAINTENANCE COMPLIED WITH RESISTANCE CHECK OF T/R STOW LIMIT SWITCHES. CLEANED CONNECTORS. PERFORMED SYSTEM OPERATIONAL CHECK WITH NO DEFECTS NOTED. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.