As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PUSH BACK THE RAMP CREW NOTED SMOKE COMING FROM THE LT MLG. INSPECTED THE LT MLG & FOUND NR 1 MAIN BRAKE ASSEMBLY AT FAULT. R & R NR 1 BRAKE & NR 1 MAIN WHEEL ASSEMBLY IAW AMM 32-42-41 & AMM 32-45-01. ALL OPERATIONS CHECKED GOOD. OK TO CONTINUE. ROTABLE PARTS CHANGE WAS INDICATED, TT 1543979 & SN OFF 00041.