As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION, RT MLG DID NOT SHOW ANY GREEN INDICATION AND THE RED UNLOCK LIGHT WAS ILLUMINATED. DISCONTINUED APPROACH AND WENT THROUGH THE CHECKLIST. THE RED UNLOCK LIGHT EXTINGUISHED AND THE RT MAIN GREEN INDICATOR LIGHT ILLUMINTED. R & R RT MAIN GEAR ACTUATOR, OPS CHECKED NORMAL, LEAK CHECKED NORMAL, WORK DONE IAW MM 32-30-40.