As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF TRIM FAIL AURAL WARNING WITH APPLICATION OF TAKEOFF POWER. ALL SWITCHES AND TRIM SETTINGS VERIFIED IN LIMITS. ABORTED TAKEOFF. RAN AIRCRAFT AT TAKEOFF POWER IN TAKEOFF CONFIGURATION. CYCLED TRIM THROUGHOUT GREEN BAND WITH NO DEFECTS NOTED. OPS CHECK GOOD. COULD NOT DUPLICATE DISCREPANCY.