As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON FASTENERS UNDER MAIN ENTRANCE DOOR SEAL AT THE HINGE AREA. DISSIMILAR MATERIAL CORROSION BETWEEN THE HUCK FASTENERS AND THE SURROUNDING COMPOSITE STRUCTURE. REPLACED HUCK FASTENERS WITH RECOMMENDED FASTENERS FROM THE MANUFACTURE. AIRCRAFT WAS RETURNED TO SERVICE.