As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE FLIGHT, BOTH SYSTEM A LIGHTS (GREEN AND RED) FOR NOSE GEAR ILLUMINATED. GEAR CYCLE ATTEMPTED, ALL RED LIGHTS ILLUMINATED EXCEPT RED NOSE A DISAGREEMENT. NO GREEN LIGHTS. APPROXIMATELY FIVE MINUTES LATER, PROBLEM CLEARED. PROBLEM OCCURRED A SECOND TIME AND THEN CLEARED. PERFORMED GEAR SWINGS (NO DEFECTS). SWITCHED DOWN A AND B PROX SENSORS FOR TEST FLIGHT. TEST FLIGHT SUCCESSFUL. COULD NOT DUPLICATE PROBLEM.