As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 2303 - UPON GEAR RETRACTION, THE AMBER GEAR LIGHT REMAINED ON AND RECEIVED AN EICAS GEAR DISAGREE MESSAGE. REMAINED ON FOR ABOUT AN HOUR AND 40 MINUTES THEN EXTINGUISHED. LANDED DFW WITHOUT INCIDENT. ADJUSTED LEFT MLG UPLOCK SENSORS. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)