As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT DURING FLIGHT THE ICE DETECT FAIL ANNUNCIATOR ILLUMINATED. OPERATIONS WERE CONTINUED BY DEFERRING MAINTENANCE PER MEL 30-80-01-01. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED A FAILED ICE DETECTOR. THE DEFECTIVE DETECTOR WAS REMOVED AND A REPAIRED UNIT WAS INSTALLED. PERFORMED OPERATIONAL CHECKS WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.