As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: RIGHT BRAKE UNABLE TO MODULATE BRAKING PRESSURE, RIGHT BRAKE PEDAL HAS LITTLE OR NO FEEDBACK - MAINTENANCE REPLACED THE RIGHT-HAND MASTER CYLINDER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-43-12