As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING FLIGHT 3449, THE CREW REPORTED A GEAR UNSAFE LIGHT DURING EXTENSION AND RETRACTION. THE CREW MANUALLY EXTENDED THE LANDING GEAR AND RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT MLG UPLOCK SWITCH IAW B1900-D MM 32-61-01, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)