As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR UNSAFE LIGHT ILLUMINATED ON CLIMB-OUT PASSING 20,000 FT THROUGH 23,000 FT THE LIGHT WENT OUT AFTER THAT AND REMAINED OUT. ALL OTHER NORMAL INDICATIONS. IT JUST FLICKERED ON AND OFF. FOUND AIR GAP ON NOSE DOWN LOCK PROXIMITY SWITCH OUT OF LIMITS. ADJUSTED AIR GAP TO WITHIN LIMITS. PERFORMED GEAR RETRACTION CHECK ON NOSE GEAR. OPS CHECKED GOOD. PROXIMITY BOX BITE CHECKED GOOD. NO OTHER DISCREPANCIES NOTED. (M)