As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT WALKAROUND F/O FOUND SMOKE COMING FROM NR 2 MLG ASSEMBLY. UPON CLOSER INSPECTION FOUND FAIR AMOUNT OF FLUID ON INBOARD TIRE, THE NR 2 TIRE WAS STILL SMOKING 20 MINUTES AFTER INBOUND CREW SHUTDOWN AIRCRAFT. REMOVED FROM SERVICE. DETERMINED TO BE GREASE FROM PRIOR GEAR LUBES, CLEANED AFFECTED AREA, AS REQUIRED. PERFORMED GVI NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.