What was found
THE NOSE WHEEL PRODUCED A GRINDING SOUND IN TURNS AFTER LANDING AT ATL. MAINTENANCE FOUND BOTH THE INNER AND OUTER BEARINGS SEIZED TO AXLE RESULTING IN DAMAGE TO AXLE AND NR 2 WHEEL ASSEMBLY. THE NLG AXLE PISTON ASSEMBLY WAS REMOVED AND REPLACED IAW MM 32-21-02, PAGE 801. IN ADDITION, BOTH THE NR 1 AND NR 2 NLG WHEEL ASSEMBLIES WERE REMOVED AND REPLACED IAW MM 32-40-02, PAGE 201. THE NLG WAS SWUNG FOUR TIMES AND OPERATION CHECKED GOOD. A DIP WAS ISSUED FOR A FULL NOSE STRUT RESERVICING WITHIN 50 FLIGHT HOURS.