What was found
UPON LANDING ROLLOUT NOTICED HEAVY VIBRATION WHILE EXITING OFF THE RUNWAY, STOPPED AIRCRAFT ON TAXIWAY AND HAD AIRCRAFT TOWED INTO THE GATE AT WHICH POINT BOTH NOSES WHEEL TIRES WERE FLAT, FOUND NOSE LANDING GEAR DOORS DAMAGED. CORRECTIVE ACTION: REPLACED LEFT AND RIGHT NOSE WHEEL ASSEMBLIES , INSTALLED TARGET P/N D57415 AND SUPPROT ASSEMBLY P/N GA63717. REMOVED AND INSTALLED SERVICABLE LEFT AND RIGHT AFT NLG DOORS LEFT P/N S5287660201600, RGIHT P/N S5287660201700.