What was found
EWR - FLIGHT 4111 - CREW REPORTED THAT DURING TAXI, SMOKE WAS SEEN COMING FROM THE LEFT MAIN LANDING GEAR AREA, AIRCRAFT RETURNED TO GATE. MAINTENANCE INSPECTED THE LEFT MAIN LANDING GEAR, THEN REMOVED AND REPLACED THE NR 2 BRAKE ASSEMBLY IAW EMB-145 MM 32-49-03. OPERATIONAL AND LEAK CHECK WERE SATISFACTORY, AIRCRAFT RELEASED FOR SERVICE. (M)