As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE RT MAIN GEAR DOWN AND LOCKED (GREEN) LIGHT REMAINED ILLUMINATED. ALL 3 SECONDARY DOWN/LOCKED LIGHTS WERE OUT AS NORMAL. THE F/A VERIFIED BOTH MAIN GEAR WERE UP. MANUAL EXTENSION WAS ACCOMPLISHED TO RETURN TO DEPARTURE. LANDING UNEVENTFUL. R & R LANDING GEAR CONTROL PANEL IAW MM TASK 32-31-01-000-801 AND 32-31-01-400-801. OPS GOOD. PERFORMED RETRACTION/EXTENSION CHECK OF GEAR IAW TASK 32-31-00-867-801. NO DEFECTS NOTED, INDICATION CHECKED GOOD. RETURNED TO SERVICE.