As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE WARNING MESSAGE. FIXED WITH QRH. (FLIGHT 6022). CP 31854923 FOR FUNCTION TEST OF THE GEAR EXTENSION/RETRACTION SYSTEM SEE CP 31854883 FOR INSPECTION OF NLG OLEO CENTERING SENSOR, HARNESS, AND BRACKET SEE CP 31854876 FOR CHECKING AND RIGGING ALL GEAR PROXIMITY SENSORS.SEE CP 31855741 FOR REMOVAL AND INSTALLATION OF NLG UPLOCK ASSEMBLY AND TASK CARD. OPS CHECK GOOD."