As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THROUGH FL 190, RECIEVED GEAR DISAGREE WARNING MESSAGE. COMPLIED WITH QRH, MANUAL RELEASE IAW QRH HYDS IN AUTO, DURING OCCURANCE NO OTHER ASSOICATED MESSAGES EICAS SHOWED NOSE GEAR RED. R & R THE NLG DRAG BRACE IAW AMM 32-20, OPS CHECKED GOOD.