What was found
DURING APPROACH, PILOT EXTENDED LANDING GEAR AND NOTICED NO GREEN LIGHT ON THE RT MAIN GEAR. DECLARED AN EMERGENCY AND MADE AN ATTEMPT TO DEPLOY USING EMERGENCY EXTENSION PROCEDURE. GREEN EXTENDED AND LOCKED LIGHT FAILED TO ILLUMINATE BUT THE EMERGENCY HANDLE DID FEEL SOLID AND HELD PRESSURE. LANDED WITH NO PROBLEMS AND ACFT WAS INSPECTED BY MX TO INSURE GEAR WAS IN LOCKED POSITION. MX HAS NOT DISCOVERED REASON FOR GEAR LIGHT FAILURE AND IS IN THE PROCESS OF TROUBLESHOOTING.