As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT MLG WOULD NOT RETRACT AFTER TAKEOFF FROM LGW. APPROPRIATE CHECKLISTS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO LGW WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LT GEAR DOOR ACTUATOR SLOW TO OPERATE AND THE GEAR CONTACTED THE OUTER DOOR. THE LT MLG ACTUATOR WAS REPLACED. THE OUTER GEAR DOOR WAS ALSO REPLACED. A GEAR SWING WAS PERFORMED AND OPERATION CHECKED GOOD.