As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT WHEN SELECTED. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED. MAINTENANCE INSPECTED AND ADJUSTED, THE RIGHT HAND WEIGHT ON WHEELS SENSOR CLEARANCE, AND PERFORMED OPERATIONAL GEAR CHECKS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-61-10 AND 32-31-00. THE CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.