As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SEVERE NOSEWHEEL SHIMMY REPORTED AFTER LANDING. INSPECTION OF THE DEFECT BY MAINTENANCE REVEALED THAT THE SHAFT WAS SHEARED. THE DAMPENER UNIT REMAINED ATTACHED BUT IN TWO SEPARATE PARTS PREVENTING IT FROM FUNCTIONING AS DESIGNED. NO FURTHER DAMAGE WAS FOUND AND THE UNIT WAS REMOVED FROM SERVICE. A REPLACEMENT UNIT WAS INSTALLED.