As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR DISAGREE ON LANDING MESSAGE, PROCEEDED WITH A GO AROUND RAN QRH PROBLEM APPEAR TO BE FIXED ON THE SECOND APPROACH MESSAGE PERSISTED. FOLLOWED WITH A GO AROUND COMPLETED QRH AND FOLLOWED WITH FLY BY FOLLOWED TO A LANDING. PURGED NOSE SHOCK STRUT OF OIL AND NITROGEN AND RESURFACED IAW AMM 12-12-32. REMOVED AND REPLACED NLG DOOR SELECTOR VALVE IAW AMM 32-33-10. PERFORMED OPS CHECK OPS CHECK NORMAL NO MESSAGE DISPLAYED