As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE WARNING MESSAGE. GEAR INDICATIONS SHOW NOSE GEAR DOWN & LOCKED, GEAR HANDLE IN UP POSITION. FLT#5368 READJUSTED NLG OLEO CENTERED EXTENDED PROXIMITY SENSOR IAW AMM. PERFORMED FUNCTIONAL TEST OF THE LANDING GEAR EXTENSION RETRACTION SYSTEM. OPERATIONS CHECKED GOOD.