As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOMENTARY GEAR DISAGREE ON FINAL WHEN PUTTING GEAR DOWN (NOSE WHEEL), NOSE DOOR WARNING MESSAGE. EXTINGUISHED AND ALL INDICATIONS WERE GREEN AND NORMAL WITHOUT ANY QRH PROCEDURES. (FLT#4855) FO:05/22/2019 CLOSED REMOVED AND REPLACED NLG SELECTOR VALVE IAW AMM. PERFORMED EXTENSION/RETRACTION OF THE MLG IAW AMM. OPS CHECK GOOD. NO LEAKS NOTED. ACFT OK FOR SERVICE.