What was found
EWR - FLT 0554 - THE LANDING GEAR AURAL WARNING SOUNDED ON FINAL APPROACH TO DWR WITH 3 GREEN LANDING GEAR LIGHTS INDICATED. CHECK LIST PROCEDURES WERE C/W DURING A 'GO-AROUND' AND THE GEAR WAS VISUALLY CONFIRMED DOWN AND LOCKED. ACFT LANDED WITHOUT INCIDENT. THE PROXIMITY UNIT, GEAR/FLAP SWITCHES, AND CAWS FUNCTION ALL TESTED GOOD. INSP OF CAWS/GPWS AT COCKPIT WAS GOOD. R2-295 LG LEVER RELAY FOUND BAD. RELAY REMOVED AND REPLACED. MAINTENANCE FOUND 'NO AUTOLAND' ON NR 2 DFGC DURING SENSORS/SWITCHES TROUBLESHOOTING. UNIT FAILED RETURN TO SERVICE TEST. NR 2 DFGC REMOVED AND REPLACED. UNIT PASSED RTS TEST PER MM 22-01-01. (X)