As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3209 THE CREW REPORTED THAT ON DEPARTURE THE GEAR CAME UP BUT THE NOSE DOORS DID NOT. AFTER CYCLING THE GEAR TWO TIMES DOORS EVENTUALLY CLOSED THE CREW RETURNED TO DFW AT A DESCENT RATE OF 700 FT PER MIN LANDING WEIGHT 43,500 OR LESS. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND FAULTY NOSE LANDING GEAR DOOR PROXIMITY SWITCH. REMOVED AND REPLACED THE PROXIMITY SWITCH IAW EMB-145 AMM 32-63-03. THE OPERATIONAL CHECK GOOD OF THE GEAR EXTENSION & RETRACTION WERE GOOD PER AMM 32-30-00. THE AIRCRAFT WAS RETURNED TO SERVICE.