As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4408 THE CREW REPORTED THE LANDING AIR/GROUND FAILED DURING LANDING GEAR EXTENSION. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AICRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT IAW EMB - 135 AMM 32-32-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.