As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/O ROLL, CAS MESSAGE AIRSPEED DISAGREE AT 45KTS. REFERENCE DAYJET WORK ORDER 1434, NR-00002. CHECKED FOR WATER IN THE PITOT DRAINS IAW EA500 AMM 34-10-00. NO WATER FOUND. FOUND CODE 764 - AIRSPEED MISCOMPARE. C/W FLIGHT ENVIROMENT DATA ADJUSTMENT/TEST IAW EA500 AMM 34-10-00. SYSTEM TEST AND CHECKS GOOD AT THIS TIME. NO DEFECTS NOTED.