As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN WE PUT THE GEAR DOWN ON APPROACH, WE HAD THE GEAR DOORS EICAS MESSAGE AND DOORS LIGHT IS ON INSTALLED ALL 3 EACH GEAR PINS. REMOVED RED FLAGS SECURE GEAR PINS WITH SAFETY WIRE. OPEN AND COLLAR C/B 11S20 AT P11PANEL. SELECTED VMO/MMO SWITCH TO ALTN POSITION