As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE TAKEOFF WAS ABORTED WHEN THE CREW RECEIVED AN IAS MISCOMPARE WARNING. MAINTENANCE INSPECTED THE PITOT STATIC SYSTEMS FOR CONTAMINATION AND FOUND WATER IN THE NR 2 ADC PITOT DRAIN COLLECTOR TUBE. THE P2 LINE WAS PURGED. THE PITOT SYSTEM TESTED & LEAK CHECKED GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE.