As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING PUSH BACK NR 2 BRAKE LOCKED UP. NR 2 MAIN WHEEL AND BRAKE ASSY REPLACED. OVERHAUL SHOP FINDINGS AS FOLLOWS: BRAKE ASSY: PRIMARY CAUSE FOR REMOVAL FOD DAMAGE FROM WHEEL. MAIN WHEEL ASSY. PRIMARY CAUSE FOR REMOVAL BROKEN BRAKE KEYS.