As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE EICAS, RTFL CREW REPORTS "GEAR DISAGREE" AND "DOOR" LIGHT ON FWD INSTRUMENT PANEL.WITH GEAR HANDLE PLACED TO OFF POSITION A NOTICEABLE VIBRATION CAN BE FELT. SAMC TEXT: UPDATE FROM DEBRIEF: "GEAR DISAGREE" AND "GEAR DOORS" EICAS MSGS AND "GEAR" AND "DOORS" LIGHTS ON FWD PANEL WITH GEAR HANDLE IN "UP" OR "OFF" POSITION. VIBRATION NOTICED WITH HANDLE IN 'OFF' POSITION.