As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT #5329. DURING TAKE OFF ROLL RECEIVED AN AILERON CONFIGURATION WARNING MESSAGE, ABORTED TAKE-OFF AND RETURNED TO THE GATE.PERFORMED AN OPERATIONAL CHECK OF THE AILERON TRIM SYSTEM, DISCREPANCY COULD NOT BE DUPLICATED BY MAINTENANCE.