As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF, THE CREW RECEIVED A GEAR DISAGREE MESSAGE. DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. MAINTENANCE DEFERRED THE LANDING GEAR RETRACTION SYSTEM. MX REMOVED AND REPLACED LANDING GEAR CONTROL PANEL LEVER. OPS CHECK GOOD THIS CLEARS MEL