As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL AMBER CAS MESSAGE CAME ON FOR YAW-DAMPER AND FADEC FAILURE. ABORTED TAKEOFF. TROUBLESHOT AND PURGED OUT BOTH PITOT SYSTEMS, RAN AIRSPEED TO BOTH ADC’'S TO COMPARE AIRSPEED AS REQUIRED AFTER PURGING LINES. CARRIED OUT ENGINE RUNS AND NO FAULT FOUND, A/C IS SCHEDULE FOR AN OPERATIONAL CHECK FLIGHT ALL WORK DONE IAW CESSNA 750 MM CHAPTER 34-11-01 & 34-11-08.