What was found
AFTER LANDING, TOWER REPORTED SMOKE COMING FROM RT MAIN GEAR. TAXIED CLEAR, STOPPED AND HAD FIRE DEPT CHECK ORIGIN. THEY REPORTED FLUID DRIPPING ONTO GEAR. SHUTDOWN AND TOWED BACK TO RAMP. BRAKE TEMPS APPROX 280 DEG MAX (NR3, 150 DEG) IDENTIFIED SMOKE COMING FROM EXCESS GREASE ON BRAKE ASSY NR3 & NR4 . CLEANED BRAKE ASSY AND STRUT. OPERATED BRAKES NO LEAKS, BRAKES OPERATED NORMAL. THIS IS FIRST FLT SINCE MX CHECK (GEAR CHANGE) BRAKE TEMPS AND BRAKE DIFFERNTIAL TEMPS WITHIN NORMAL RANGE REF AMM 32-40-00-06-0.