As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF CONFIG WARNING HORN DURING TAKEOFF ROLL. TESTED OK PRIOR TO COMMENCEMENT. PERFORMED TAKEOFF WARNING SYS FAULT ISOLATION. CHECKED & CYCLED ALL WARNING INPUTS & AURAL WARNING MODULE. PSEU TOW & BITE TESTED WITH NO FAULTS. SPOILER HANDLE SWITCH TESTED GOOD, TAKEOFF WARNING TESTS GOOD AT THIS TIME, NO FAULT FOUND.