As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED RIGHT BRAKE HARD SHUTTER WHILE BRAKING AT SLOW SPEEDS 1-3 KNOTS. MAINTENANCE REPLACED THE #4 MAIN LANDING GEAR TACHOMETER PER AMM 32-42-57 (AALA202509111082) AND BSCU PER AMM 32-42-34. (AALA202509110859) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.