As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR WOULD NOT RETRACT DURING GO AROUND. SHOWED BOTH A/B RED LIGHTS. SELECTED GEAR UP AGAIN WITH SAME PROBLEM. SELECTED GEAR DOWN WITH 3 GREEN. INSPECTED LANDING GEAR SYSTEM FOR DEFECTS AND PERFORMED SEVERAL GEAR SWINGS, BUT COULD NOT DUPLICATE PROBLEM. ALL CHECKS GOOD AT THIS TIME.