As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR UNSAFE LIGHT ILLUMINATED. AIR RETURNED AND LANDED. MX ROAD TRIP ARRIVED AND INSPECTED THE GEAR AND PINNED IT DOWN FOR FERRY BACK TO IAH. MX AT IAH REMOVED AND REPLACED THE LANDING GEAR HANDLE AND ASSOCIATED RELAYS OPERATIONAL CHECKS GOOD.