As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HLN - NOSE LANDING GEAR DOORS REMAIN OPEN AFTER EXTENSION WITH 3 GREEN DOWN LOCKED LIGHTS. ALTERNATE GEAR EXTENSION LIGHTS SHOW 2 MAIN GEAR DOWN AND LOCKED AND NO NOSE GEAR DOWN AND LOCKED LIGHT. REPLACED RIGHT-HAND NOSE GEAR DOWN LOCK SENSOR BRACKET. COMPLIED WITH RIGGING OF PROX SENSOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.