As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF STEERING INOPERATIVE CAUTION ILLUMINATED FOLLOWED BY A NOSE GEAR UNSAFE POSITION. HEARD THE NOSE GEAR DROP BACK DOWN. GEAR DISAGREE MASTER WARNING THEN ILLUMINATED FOLLOWED BY A NOSE DOOR WARNING MESSAGE. COMPLETED THE GEAR QRH AND PERFORMED AIR RETURN TO DEPARTURE. SERVICED NLG STRUT. OPS CHECKED GOOD AND COMPLETED WITH PA 05-018 REV G.