As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - AIRCRAFT ABORTED TAKE OFF WHEN AILERON WARNING MESSAGE APPEARED. MAINTENANCE INTERROGATED THE MAINTENANCE DIAGNOSTICS COMPUTER. NO FAULTS WERE NOTED. MAINTENANCE COMPLIED WITH THE FAULT ISOLATION MANUAL CRJ 27-11-00-810-002-A01. AN AILERON FUNCTIONAL TEST WAS COMPLETED AND THE OPERATIONAL CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.