As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, AFTER LANDING GEAR SELECTED DOWN, MESSAGE GEAR DISAGREE (WARNING) POSTED ON EICAS ALONG WITH NOSE LANDING GEAR BOX AMBER INDICATION. (MAIN GEAR WERE DOWN AND LOCKED.) FLIGHT CREW FOLLOWED THE QRH AND SELECTED THE MANUAL GEAR RELEASE. NOSE GEAR EXTENDED AND THE AIRCRAFT LANDED SAFELY.