As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE GEAR HANDLE WOULD NOT GO UP AND THE CREW RETURNED TO CAK. MAINTENANACE INSPECTED AND REPLACED THE GEAR RETRACT CIRCUIT BREAKER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.