As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TIRE/WHEEL ASSY LOOSING AIR PRESSURE. SL560XL32-19 PROVIDES IMPROVED THERMAC PLUG. PIN 542-7 WHICH WAS TO BE INSTALLED IN THIS SERIAL NR ACFT AND WHEEL S/N- THE OLD PIN 49-290 PLUG IS MAGNETIC. THE NEW PIN 542-7 IS NO MAGNETIC. CHECKING OF NEW SPARE WHEEL AND BOTH ACFT MAIN WHEELS FOUND OLD PIN PLUGS INSTALLED.