As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT#4119 THE CREW REPORTED THEY HEARD A "BANG" NOISE DURING GEAR RETRACTION.THE SOUND WA S COMING FROM THE NOSE AREA.MAINTENANCE INSPECTED AND REPLACED THE LEFT NOSE GEAR DOOR ACTUATOR.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SERVICE.