As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE NOSE GEAR RED LIGHT INDICATION AND AMBER NOSE GEAR DOOR LIGHT ILLUMINATED AFTER SELECTING GEAR UP. WHEN THE CREW DROPPED THE GEAR THE MAIN GEAR CAME DOWN AND LOCKED, HOWEVER, THE NOSE GEAR TOOK ABOUT 10 SECONDS TO COME DOWN. CREW DECLARED AN EMERGENCY, RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOOT TO A BAD SEQUENCE VALVE, R & R SEQUENCE VALVE ALONG WITH BOTH FORWARD NLG DOORS AND DID GEAR SWINGS IAW AMM. ACFT OPS CHECKED GOOD AND IS GOOD FOR SERVICE.