As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, THE FLIGHT CREW NOTED AN ILLUMINATED WING/BODY OVERHEAT LIGHT WHICH WOULD NOT EXTINGUISH WHEN QUICK REFERENCE HANDBOOK ITEMS WERE ACCOMPLISHED. THE AIRCRAFT RETURNED TO THE DEPARTURE AIRPORT.MAINTENANCE REMOVED AND REPLACED THE START MANIFOLD CONNECTION CHECK VALVE IN ACCORDANCE WITH THE REQUIREMENTS OF MM 21-21-15.