As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF WHEN LANDING GEAR WAS SELECTED IN THE UP POSITION THE RED GND GREEN NOSE GEAR LIGHTS WERE ILLUMINATED AT THE SAME TIME. AFTER CYCLING THE GEAR UP AND DOWN THE SAME INDICATIONS WERE NOTED. REMOVED AND REPLACED M983 LOGIC CARD FOR TROUBLESHOOTING IAW AMM. P/N: 65-58250-29 S/N OFF: WN0009 S/N ON: D00159 M983