As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT WAS LANDING WHEN A VIOLENT SHIMMY AND VIBRATION OCCURRED BETWEEN 40 TO 50 KTS, EMANATING FROM THE NOSE LANDING GEAR. THE AIRCRAFT WAS BROUGHT INTO MAINTENANCE. FOUND SHIMMY DAMPER LEAKING FLUID. NOSE LANDING GEAR SHIMMY DAMPENER, PN 5543001-11, S/N 684, REMOVED. INSTALLED O/H SHIMMY DAMPENER PN 5543001-12, SN 1123-12X IAW AMM CHAPTER 32-21-02. O/H WO 2-85961 DATED 04/18/12. SEE 8130-3 DATED 04/18/12. OPS CHECKED SATISFACTORY.