As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT UPON RAISING THE LANDING GEAR WHILE FLAPS AT 17 DEGREES. TAKEOFF GEAR WARNING HORN SOUNDED AND COULD NOT BE SILENCED. IN TRANSIT LIGHT REMAINED ILLUMINATED UNTIL FLAPS 0 DEGREES WAS OBTAINED. MX RIGGED LANDING GEAR WARNING HORN FLAP POSITION SWITCH IAW MM 27-50-07.