As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT NOTICED EXCESSIVE VERTICAL MOVEMENT OF THE NOSE STRUT WHEN POSITIONING THE ACFT FOR STARTUP. THE PILOT CANCELLED THE FLIGHT AND REPORTED THE DEFECT TO MX. MX DISCOVERED THE LOWER "DONUT"/RUBBER DAMPER PN: DV2-9032-23-02 OF THE ASSY WAS MISSING. NO REMAINING PIECES WERE FOUND. MX RECORDS INDICATE THE PART WAS REPLACED WHEN THE ASSY WAS REPAIRED AND PLACED IN STORES ON FEB 2/2010. THE UNIT WAS INSTALLED ON THE ACFT ON MARCH 15,2010.