As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT MLG RED LIGHT REMAINED ILLUMINATED WITH NO GREEN LIGHT WHEN GEAR WAS EXTENDED ON APPROACH TO IAH. A MANUAL GEAR EXTENSION WAS PERFORMED SUCCESSFULLY AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE RT MLG UPLOCK ACTUATOR AT FAULT. THE UPLOCK ACTUATOR WAS REPLACED IAW MM 32-32-41. LEAK AND OPERATIONAL CHECKS WERE GOOD.