As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT FROM TAKEOFF, GOT (NOSE DOOR) MESSAGE AND (GEAR DISAGREE) MESSAGE. ORH FOLLOWED, EMERGENCY DECLARED RETURNED TO AIRPORT, UNEVENTFUL LANDING. FOUND PROXIMITY SENSOR ON NOSE GEAR OUT OF POSITION. RIGGED SENSOR IAW AMM, PERFORMED GEAR SWINGS.