As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION CREW RECEIVED THE THREE GREEN & UP INDICATIONS BUT HAD LOUD NOISE & VIBRATION IN NOSE GEAR, SOUNDED LIKE DOORS FOR NOSE GEAR DID NOT CLOSE. COMPLIED WITH AOM VOL 1 PROCEDURES. DIVERTED, DECLARED AN EMERGENCY & LANDED WITHOUT INCIDENT.