As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, PASSING FLIGHT LEVEL 180, WHEEL WELL FIRE INDICATED. INDICATIONS STOPPED AT 10000 FEET. RETURNED TO ORD AND LANDED OVERWEIGHT AT 167,000 POUNDS WITHOUT INCIDENT. WHEEL WELL LIGHT FLICKERED FOR APPROXIMATELY 5 MINUTES. REPLACED OVERHEAD DETECTOR CONTROLLER.