As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O CREW REPORTED GEAR DOOR LIGHT ILLUMINATED WITH ASSOCIATED EICAS MSG. CREW REQUESTED TO CYCLE GEAR, NO HELP, CREW REPORTED THAT IT SOUNDED/FELT AS IF THE NOSE GEAR DOOR DID NOT CLOSE. REPLACED NOSE GEAR DOOR SEQUENCE VALVE AND NLG OPERATED SEQUENCE VALVE. JACKED A/C AND CYCLED NOSE GEAR, NOSE GEAR/DOOR OPERATION NOW CHKS NORMAL.