As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS LT BRAKE MAY HAVE A CRACKED BRAKE DISC. REMOVED LT MAIN WHEEL ASSY AND DETERMINED THAT THE INBD BRAKE DISC WAS BROKEN INTO 3 PIECES. REMOVED AND REPLACED LT BRAKE ASSY IAW MM INSTRUCTIONS AND REINSTALLED THE LT MAIN WHEEL ASSY.