As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT FROM ROC-ATL, UPON GEAR RETRACTION THE CREW RECEIVED A GEAR DOOR OPEN RED WARNING MESSAGE. ATTEMPTS TO RECYCLE THE GEAR WERE UNSUCCESSFUL. THE QRH WAS COMPLIED WITH AND THE AIRCRAFT RETURNED TO ROC. THE TOWER ROLLED THE EMERGENCY VEHICLES AS A PRECAUTION AND THE AIRCRAFT LANDED SAFELY IN ROC. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR NLG DOOR SELECTOR VALVE. OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)