As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, THE FLIGHT CREW NOTICED NO FLAP MOVEMENT WHEN FLAPS WERE SELECTED DOWN. ABORTED THE APPROACH AND DIVERTED TO DO A NO FLAP LANDING ON THE LONGER RUNWAY. MAINTENANCE TROUBLESHOT THE FAILURE TO AN INOPERATIVE RIGHT FLAP FOLLOWUP SWITCH. REPLACED THE SWITCH AND THE SYSTEM OPERATION CHECKED GOOD.