As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAA REPORTED ELT SIGNALS IN AREA; CHIEF PILOT CHECK ALL 4 OF OUR AIRCRAFT AND CHECKED THAT ALL SWITCHES WERE IN 'OFF' POSITION. FAA CAME OUT AND DETERMINED THAT THIS ELT WAS OPERATING AND THAT THE SWITCH WAS 'OFF'. REMOVED ELT FROM AIRCRAFT AND REMOVED BATTERY TO STOP ELT SIGNAL.