What was found
ACFT WAS IN FLIGHT WHEN CREW RECEIVED AN EICIAS MESSAGE FOR LANDING GEAR AIR-GROUND FAIL. ACFT WAS FERRIED, WHERE MAINTENANCE REPAIRED THE NLG WOW PROXIMITY SWITCH IAW AMM 32-63-01, IPC 32-50-06; FIGURE 1, ITEM 1. OPS CHECK GOOD AND WAS RELEASED BACK TO NORMAL CONFIGURATION.