As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNUSUAL VIBRATION ON NLG DURING LANDING & TAXI (OB). DURING INSPECTION THE COMPONENT COLLAR ASSY FIN ACG7008-7 FOUND BROKEN. REPLACED COLLAR ASSY FIN ACG7008-7 FOUND BROKEN REFERENCE AMM 32-21-01 TABLE 802 ITEM 3. REGISTRATION NUMBER: CP2791