As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LANDING THE FLIGHT CREW NOTICED THAT THE AIRCRAFT BRAKES WERE ABNORMALLY HOT. UPON CLOSER INSPECTION OF THE NR 4 BRAKE ASSEMBLY THE FLIGHT CREW NOTICED THAT THE BALL AND TUBE ADJUSTER ASSEMBLY WAS MISSING. THE NR 4 BREAK ASSEMBLY WAS REPLACED WITH A SERVICEABLE UNIT AND THE AIRCRAFT WAS RELEASED FOR SERVICE.