What was found
CREW REPORTED THAT UPON GEAR EXTENSION THEY DID NOT RECEIVE THE NOSE GEAR DOOR INDICATION. A FLY-BY PAST THE TOWER WAS PERFORMED TO VERIFY NOSE GEAR POSITION. DOOR INDICATION WOULD NOT TEST, AND A MANUAL GEAR EXTENSION WAS PERFORMED. GREEN NOSE GEAR DOOR LIGHT DID NOT ILLUMINATE. A REQUEST WAS MADE TO HAVE FIRE/RESCUE PERSONNEL STANDING BY. AN UNEVENTFUL LANDING WAS PERFORMED IN KSNA. MAINTENANCE REPLACED A 327 BULB FOR THE NOSE LANDING GEAR DOOR INDICATOR. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT WAS RETURNED TO SERVICE.