As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING TAKEOFF FROM ATL-CHO, THE CREW BROUGHT THE GEAR HANDLE TO THE UP POSITION AND A FEW SECONDS LATER RECEIVED A GEAR UP DISAGREE WARNING WITH A WHITE INDICATION APPEARING ON THE RIGHT MAIN GEAR. THE QRH WAS COMPLIED WITH AND AN EMERGENCY WAS DECLARED. THE AIRCRAFT RETURNED TO ATL AND LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED THE UPLOCK PROXIMITY SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)