What was found
PILOT REPORTED NOSE GEAR VIBRATION ON LANDING THAT KICKED NOSE WHEEL STEERING OFF. REMOVED NOSE GEAR ASSEMBLY AND FOUND STEERING MECHANISM ASSEMBLY LOOSE ON MOUNT BOLTS. OPENED STEERING BOX AND FOUND ALL 3 MOUNT BOLTS BACKED OFF ONE-QUARTER TURN. FOUND NO DAMAGE TO BOX OR NOSE GEAR. INSTALLED 3 NEW BOLTS, P/N NAS144-13, PER LEAR 60 MM CHAPTER 32-50-02. REINSTALLED NOSE GEAR ASSEMBLY. PERFORMED GEAR SWING AND TAXI TESTS. ALL OPS CHECKS NORMAL.