What was found
BRK FAIL YELLOW CAS: STARTED TAXING FROM SIGNATURE FBO IN DAL AND BRAKES WERE VERY "JERKY" WHEN APPLIED BRAKE PRESSURE. GOT ABOUT 100 YARDS FROM PARKING SPOT WHEN CAS MESSAGE BRK FAIL ILLUMINATED. USED EMERGENCY BRAKE HANDLE TO RETURN TO FBO MONITORING ACCUMULATOR PRESSURE FROM THE STATUS PAGE. REMOVED FAILED BRAKE CONTROL MODULE (PN:DAP00101-02 SN:099WB). INSTALLED COSTUMER SUPPLIED REPAIRED BRAKE CONTROL MODEL (PN:DAP0OLOL-02 SN:087PD) AS REQUIRED WITH NO DEFECTS NOTED WORK DONE IN REF TO EMB 505 AMM 32-41-07 TQW TL-103779