What was found
DURING CRUISE THE CREW NOTED THAT THE RIGHT MAIN GEAR INDICATION LIGHTS ILLUMINATED BOTH GREEN AND RED (UNSAFE CONDITION). THE CREW MOVED THE LANDING GEAR SELECTOR FROM THE OFF POSITION TO UP POSITION AND THE GEAR INDICATION RETURNED TO GREEN ONLY. THE CREW THEN PLACED THE GEAR SELECTOR BACK TO THE OFF POSITION AND CONTINUED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE SERVICED THE RIGHT HAND MAIN SHOCK STRUT PER AMM 12-15-31 AND PERFORMED AN EXTENSION AND RETRACTION TEST PER AMM 32-32-0 PG 501. SYSTEM LEAK AND OPERATION CHECK GOOD. MAINTENANCE RETURNED AIRCRAFT TO SERVICE.