As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF NOSE GEAR DISAGREE ACCOMPANIED BY NOSE DOOR OPEN AND STEERING INOP. PERFORMED QRH PROCEDURE AND LANDED WITHOUT INCIDENT. FLT 3742. REMOVED AND REPACKED BACKUP NLG SEALS AND INSTALLED NEW GUIDE PINS IAW AMM. PERFORMED MLG EXTENSION AND RETRACTION TEST IAW AMM. OPS CHECK GOOD AT THIS TIME. LEAK CHECKED GOOD.