What was found
NOSE GEAR FAILED TO EXTEND. DURING APPROACH, GEAR HANDLE LOWERED AT/ABOUT 170 KIAS. MULTIPLE EICAS MESSAGES FOLLOWED BY UNSAFE NOSE GEAR INDICATION (AMBER BARBER POLED INDICATION). EICAS MESSAGES CASCADED IN THE FOLLOWING ORDER: - GEAR DOOR OPEN - GEAR DSIAGREE N - GEAR CONTROL FAULT TOWER CONTROLLER VERIFIED THAT NOSE LANDING GEAR APPEARED TO BE FULLY RECTRACTED. CREW ON GROUND VERIFIED THE SAME. AFM PROCEDURES EXECUTED FOR ALL THE ABOVE. EACH LED TO PROCEDURE 10D LANDING GEAR WILL NOT EXTEND. SOC CALLED AND REVIEW OF ABOVE PROCEDURES COMPLETE. EMER GEAR RELEASE HANDLE PULLED WITH NO REMEDY (ALL INDICATIONS REMAINED). MCC CONTACTED AND ALTERNATE PROCEDURES ATTEMPTED WITH REMAINING FUEL. (G-LOADING, YAWING, HYD SYSTEM ISOLATION, RECYCLING EMERG GEAR REALEASE, (LASTLY, AFTER DISCUSSING WITH MCC) LLANDING GEAR HANDLE WAS RECYCLED. NO REMEDY RESULTED. DUE TO LOW FUEL REMAINING, LANDING WAS EFFECTED WITHOUT FURTHER INCIDENT.