As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE AND NOSE DOOR WARNING MESSAGES APPEARED AFTER TAKEOFF AND AFTER LDG GEAR LEVER WAS MOVED UP, AND WENT AWAY AFTER A DELAY, NOSE GEAR HAD A NORMAL RETRACTION. CONTINED TO DESTINATION. (FLT#5066) FO: 07/10/2019 CLOSED REMOVED AND REPLACED NLG SELECTOR VALVE AND PERFORMED SEVERAL GEAR EXTENSION AND RETRACTIONS IAW AMM. OPS CHECK GOOD. BLED #3 HYDRAULIC SYSTEM IAW AMM. OPS CHECK GOOD.