As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4017 - AFTER TAKEOFF, CREW GOT A LANDING GEAR LEVER DISAGREE MESSAGE ON THE EICAS. GEAR WAS RECYCLED AND GOT THREE GREENS. AIRCRAFT RETURNED TO ORD WITHOUT FURTHER INCIDENTS. REMOVED AND REPLACED LANDING GEAR CONTROL LEVER. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)