As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HAND BRAKE SMOKING. BRAKING ACTION POOR ON LANDING AND TAXING. INSPECTED AND FOUND NR 4 MAIN BRAKE SMOKING. NO ANTI-SKID FAULT NOTED IN CDS. REMOVED NR 4 MAIN TIRE. FOUND NR 4 BRAKE PISTONS LEAKING. REMOVED AND REPLACED NR 4 BRAKE ASSEMBLY, NR 4 MAIN WHEEL/TIRE ASSEMBLY REF MTC 6324101,6324201. C/W FUNCTIONAL TEST OF THE MAIN LANDING GEAR BRAKE SYSTEM REF AMM TASK 32-42-00-720-801. FUNCTIONAL TEST GOOD AND BLEED ALL MAIN BRAKES. RETURNED TO SERVICE.