As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
12 MINUTES AFTER TAKE OFF THE RIGHT WING (250* ON LEADING EDGE WIRING) OVERHEAT FLASHING WARNING LIGHT CAME ON. PILOT PERFORMED AFM PROCEDURES DECLARED A EMERGENCY AND RETURNED TO CASPER, WY. AIRCRAFT WAS TROUBLESHOT AND DETERMINED THAT A FAILURE IN THE ANNUCIATOR PANEL CIRCUITY CAUSED THE FLASHING WING OVERHEAT LIGHT TO COME ON. INSTALLED A REPAIRED ANNUCUATOR PANEL AND SYSTEM OPERATED AND TESTED NORMAL.