What was found
DURING MX TAXI CHECK WITH THE FLIGHT CREW AND TECH ON BOARD THE ACFT, THE RT MAIN TIRE LOST ALL THE AIR PRESSURE. MX WAS TROUBLESHOOTING A BRAKING DISCREPANCY AND DURING THE TAXI CHECK THE WHEEL FUSE PLUGS MELTED RESULTING IN A FLAT TIRE. MX REPLACED THE RT MAIN TIRE AND THE ANTI-SKID CONTROL VALVE. A SUCCESSFUL TAXI AND OPS CHECK WAS PERFORMED. DURING THE OP CHECK FLIGHT WHEN THE ACFT LANDED THE ACFT PULLED TO THE RT DURING NORMAL BRAKING APPLICATION. CHECKED AND RE-RIGGED THE MLG BRAKE CONTROLS IAW MM 32-42-02. A SUCCESSFUL BRAKE OPS AND TAXI CHECK WAS PERFORMED WITH NO DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.