As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS RIGHT BRAKE PEDAL GOES FULLY TO FLOOR WITH NO BRAKE FEEL. MAINTENANCE FOUND THE RIGHT HAND BRAKE CONTROL MASTER CYLINDER (2626GM) LEAKING AND REPLACED IT PER AMM 32-42-12. (AALA202303025439) MAINTENANCE ALSO FOUND THE BRAKE HYDRAULIC RESERVOIR (2624GM) LEAKING AND REPLACED IT PER AMM 32-43-11. (AALA202303029571). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.