As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKE OFF DUE TO A WARNING. PERFORMED THE CHECKLIST AND AIRCRAFT FAILED TO WARN TEST. PERFORMED TAKE OFF WARNING HORN FIM 31-52-00-810-802 AND OPERATIONAL TESTED THE WARNING SYSTEM IAW AMM 31-52-00-710-801. TAKE OFF WARNING SYSTEM OPS CHECKED PASSED. COULD NOT DUPLICATE. NO PARTS REPLACED.