As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN POWER LEVERS WERE ADVANCED TO TAKEOFF, WARNING HORN SOUNDED. DEPARTED RUNWAY AND PUSHED POWER LEVERS FORWARD. NO WARNING HORN SOUNDED. CYCLED FLAPS THROUGH COMPLETE RANGE. PUSHED POWER LEVERS FORWARD, TAKEOFF HORN DID NOT SOUND. OK FOR SERVICE.