As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE CREW HEARD A LOUD NOISE FROM NOSE GEAR AREA, THEY RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. MX INSPECTED NOSE GEAR AND FOUND RT NOSE GEAR DOOR OPENED. THEY CLOSED AND SECURED DOOR LOCK MECHANISM DOOR. OPS CHECK GOOD IAW MM 32-22-1. ACFT WAS RETURNED TO SERVICE.