What was found
INFLIGHT, NO NOSE GEAR DOWN INDICATION. (GREEN LIGHTS). REPLACED BOTH BULBS NO EFFECT. CYCLED GEAR, TESTED BULBS, DID NOT WORK, REPLACED BOTH BULBS, AGAIN A VERY WEAK LIGHT, GOOD INDICATION, WENT TO BRIGHT, WORKED. BACK TO DIM AND WAS INTERMITTENT, LANDING NORMAL IN ALL RESPECTS. REMOVED AND REPLACE THE NOSE GEAR POSITION SWITCH IAW MM 32-61-021-4. CLEANED CONNECTOR PLUG. OPS CHECKED NORMAL. AIRCRAFT OK FOR SERVICE.