As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL INFLIGHT FLL-ORD. CREW REPORTED LEFT WING BODY OVERHEAT LIGHT ANNUNCIATOR ILLUMINATED. ACCOMPLISHED QRH PROCEDURES AND ANNUNCIATOR LIGHT EXTINGUISHED. FLIGHT DIVERTED ATL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED WING TO BODY OVERHEAT DETECTOR ELEMENT M370. SYSTEM GROUND CHECK NORMAL OPERATION.