As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF WARNING HORN SOUNDED DURING TAKEOFF. WARNING TEST WAS NORMAL ON TAXI OUT. ABORTED THE TAKEOFF. REMOVED FROM SERVICE. COMPLIED WITH FIM 31-52-00-810-802 STEP 1 THRU 4 A (10). ALL FCEAU NUMBERS WERE WITHIN LIMITS. PERFORMED OPS. TEST OF THE TAKE-OFF WARNING SYSTEM IAW AMM 31-52-00-710-801. OPS. TESTED GOOD. NO FAULTS IN CDS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.