As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, THE CAPTAIN'S SIDE AIR SPEED INDICATOR, VERTICAL SPEED INDICATOR, AND MACH TRIM HAD NO INFORMATION DISPLAYED. MAINTENANCE THEN REPLACED THE NR 1 AIR DATA COMPUTER IN ACCORDANCE WITH BOMBARDIER AIRCRAFT MAINTENANCE MANUAL 34-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.