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 POWER LEVER ADVANCEMENT. ACFT CONFIGURED CORRECTLY AND FLAPS INDICATING NORMAL. REMOVED THE SWITCH AND REPLACED ROLLER/ACTUATOR AND INSTALLED THE SWITCH. ADJUSTED AND RIGGED ROLLER IAW MM 76-10-00, SWITCH IAW MM 27-36-00. TESTED RT FLAP RVDT IAW PDT BULLETIN. TEST NORMAL