What was found
STRANGE GRINDING NOISE FELT/HEARD WHILE TAXIING INTO PARKING. SEEMED TO BE COMING FROM THE NOSE WHEEL, REGARDLESS OF STEERING TILLER BEING USED OR NOT. SOUNDED LIKE CAR BRAKES WORN TO THE POINT OF METAL ON METAL. FELT LIKE THAT TOO. NOTHING OBVIOUS FOUND DURING POST - FLIGHT. REMOVED FROM SERVICE. AFTER JACKING AIRCRAFT FOUND NR 1 NLG TIRE WHEEL BINDING. R & R NR 1 & 2 NLG TIRE ASSEMBLIES REPLACED NR 2 AS PRECAUTION. REF MC E175-3249001. FOR WORK PERFORMED NO RUTHER DEFECTS NOTED. RETURNED TO SERVICE.