As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 0424 - AFTER TAKEOFF WITH NORMAL GEAR RETRACTION, THE GEAR UNSAFE LIGHTS ILLUMINATED WITH GEAR HANDLE UP ON ALL THREE GEARS. AIRCRAFT CONTINUED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED RIGHT THROTTLE SWITCH SYSTEM AND CYCLED GEAR SEVERAL TIMES WITH NO FURTHER FAULTS. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)