As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN T.O. POWER WAS APPLIED THE T.O. WARNING CAME ON. ABORTED TAKEOFF. WE TAXIED CLEAR OF RWY. ALL CONFIGURATIONS WERE SET FOR NORMAL T.O. C/W OPS TEST OF TAKEOFF WARNING SYSTEM IAW AMM 31-52-00-710-801. NO DEFECTS NOTED. UNABLE TO DUPLICATE DISCREPANCY. C/W FUNCTIONAL TEST OF TAKEOFF WARNING SYSTEM IAW AMM 31-52-00-720-801. CHECKS GOOD WITH NO DEFECTS NOTED. RETURNED TO SERVICE.