A B737-300 #1 WHEEL AND TIRE IS FOUND TO BE MISSING FROM THE ACFT AFTER THE FLT HAD BLOCKED INTO DEST. WHEEL HAD BEEN CHANGED 3 DAYS PRIOR. THE BEARING WAS INDICATING A LACK OF LUBRICATION.

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NORMAL LNDG; TAXI-IN; AND SHUT DOWN AT GATE. WHILE I WAS DOING THE TERMINATION CHKLIST; RAMP CREW CAME INTO COCKPIT AND ADVISED THAT THE #1 MAIN TIRE AND WHEEL WERE MISSING. THE FO AND MYSELF WENT DOWN AND VERIFIED THIS WAS CORRECT. THERE WAS NO APPARENT DAMAGE TO ACFT. MAINT PERSONNEL WERE ON THE SCENE. I PROCEEDED TO OPS AND NOTIFIED DISPATCH AND MAINT CTL IN PHX. DISPATCH NOTIFIED ARPT AUTHS AT CMH AND LGA (DEP ARPT) OF THE POSSIBLE HAZARD. FROM THE COCKPIT; THIS WAS A NORMAL FLT FROM TAXI-OUT TO SHUTDOWN. THE LNDG WAS NORMAL WITH NO ANTI- SKID LIGHTS; NORMAL BRAKING; ROLLOUT; AND TAXI-IN. ALL HYD SYS AND BRAKING INDICATORS AND GAUGES WERE NORMAL. UPON INSPECTION; THE #1 MAIN WHEEL AND TIRE WERE MISSING; AS WELL AS THE WHEEL COVER AND OUTER WHEEL BEARING. BRAKE ASSEMBLY AND ANTI-SKID GENERATOR WERE STILL ON THE STRUT. THE INNER WHEEL BEARING WAS FOUND ON THE STRUT. IT APPEARED TO BE SEIZED AND LACKING GREASE. TO DATE; THE WHEEL HAS NOT BEEN RPTED FOUND. THE PRIOR MAINT LOGS INDICATED THE TIRE AND WHEEL ASSEMBLY HAD BEEN CHANGED 3 DAYS EARLIER.