As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ROLL FROM DLHA, VIBRATION WAS FELT FROM THE RT MLG. PILOT ABORTED TAKE OFF AND BROUGHT THE AIRCRAFT TO A STOP AT THE END OF THE RUNWAY. SUBSEQUENT INVESTIGATION REVEALED THAT THE RT BRAKE HAD FAILED. REPLACED BRAKE ASSEMBLY WITH AN OVERHAULED UNIT. NO FURTHER OCCURANCE.