As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - CREW ABORTED TAKEOFF WHEN THE MASTER WARNING FOR THE TAKEOFF CONFIGURATION, AILERON, WAS RECEIVED. MAINTENANCE INSPECTED THE AIRCRAFT AND COMPLIED WITH THE FAULT ISOLATION MANUAL, TASK 27-11-00-810-801-A01. TAKEOFF WARNING SYSTEM TESTED GOOD. OPERATIONAL CHECK IS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.