What was found
FLT 2966, OKC - CLE. INBOUND TO CLE, AN AIR/GROUND FAIL MESSAGE ILLUMINATED DURING GEAR EXTENSION. THE RIGHT NOSE LANDING GEAR DOOR ACTUATOR WAS REMOVED AND REPLACED.
CLE FLIGHT# 2966 THE CREW REPORTED ON FINAL APPROACH @1000 FT. GEAR WAS SELECTED DOWN AND EICAS MESSAGE "LG GEAR AIR/GROUND FAIL MESSAGE APPEARED.MESSAGE WENT AWAY ONCE GEAR WAS DOWN AND LOCKED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE RIGHT NOSE GEAR DOOR ACTUATOR.OPERATIONAL CHECKS WERE GOOD.