As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: THE FLIGHT CREW REPORTED THAT AFTER GEAR RETRACTION A RED NOSE WHEEL UNLOCK WARNING LIGHT REMAINED ILLUMINATED. AIR NOISE AND VIBRATION CONFIRMED NOSE GEAR DOORS STILL OPEN. AS PER ECAM GEAR WAS RECYCLED AND RETRACTED NORMALLY. MAINTENANCE REPLACED THE LANDING GEAR SELECTOR VALVE MANIFOLD ASSEMBLY AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.