As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF NOISE WAS HEARD ON RIGHT SIDE OF AIRCRAFT. AIRCRAFT RETURNED TO MDT AND LANDED WITHOUT INCIDENT. MAINTENANCE SECURED GROUND POWER ACCESS DOOR AND INSPECTED AREA. NO DEFECTS WERE NOTED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.