As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW PERSONNEL REPORTED UPON LANDING ON 25L AT LAS, A VIOLENT VIBRATION OCCURRED. CAME TO A FULL STOP I WAS INFORMED THAT THE LEFT MLG WAS PERPENDICULAR TO THE FUSELAGE. MAINTENANCE DEPARTMENT PERSONNEL REMOVED AND REPLACED THE LEFT MLG ASSY IAW MD80 AMM 32-11-01. AIRCRAFT RETURNED TO SERVICE.