As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, CREW REPORTED RECEIVING A NLG RED TRANSIT LIGHT WITH A LG LEVER DISAGREE MESSAGE ON THE EICAS. MAINTENANCE REMOVED AND REPLACD A NLG DOWNLOCK PROXIMITY SWITCH AND PERFORMED MULTIPLE LANDING GEAR EXTENSION AND RETRACTION TEST. OPS CHECKED GOOD.