As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE-OFF, TAKE-OFF WARNING SOUNDED WHEN FLAPS SELECTED FROM 5 TO 2 DEGREES. HORN SILENCED WHEN CYCLED BACK TO 5 DEGREES. CYCLED GEAR AND GEAR HANDLE STUCK IN DOWN POSITION. AIRCRAFT RETURNED TO AIRPORT. TAKE-OFF HORN SOUNDED AGAIN WHEN FLAPS SELECTED FROM 25 TO 30 DEGREES. AIRCRAFT LANDED WITHOUT INCIDENT. FOUND GEAR AIR SENSE PROXIMITY SWITCH FAILED. REPLACED PROXIMITY SWITCH. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.