As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO SFO DUE TO WING BODY OVERHEAT INDICATION. CREW REPORTED RIGHT WING BODY OVERHEAT LIGHT ILLUMINATED DURING CLIMB. PERFORMED TROUBLESHOOTING OF THE OVERHEAT DETECTION SYSTEM AND CONFIRMED A SHORT WITH RIGHT WING LEADING EDGE OVERHEAT DETECTOR LOOP M1204. REPLACED OVERHEAT DETECTOR LOOP M1204.