As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 10,000 FT AND 210 KNOTS NOSE GEAR EXTENDED UNCOMMANDED FOR APPROXIMATELY 5 SECONDS THEN RETRACTED. THEN NOSE GEAR CYCLED DOWN AND UP BRIEFLY WITH MAIN GEAR DOORS OPENING THEN CLOSING. GEAR EXTENDED NORMALLY ON APPROACH. REPLACED PSEU.