As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A SEVERE VIBRATION OCCURRED WHEN LEFT RUDDER WAS APPLIED TO TURN LEFT OFF THE RUNWAY. A/C WAS STOPPED IMMED AND EMERGENCY EQUIP WAS CALLED OUT. REMOVED AND REPLACED BOTH UPPER AND LOWER NOSE GEAR TORSION LINKS AS PER MM 32-21-21. INSTALLED NG ELECTRICAL HARNESS, NOSE WHEEL STEERING CTRL ROD PER MM 32-21-51 PG 401, MM 32-20-01.