As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C-CHECK THE BOTTOM FRAME OF THE MAIN CABIN DOOR WAS FOUND TO BE CORRODED AROUND THE DOOR LINING MOUNT NUT PLATES. MAINTNENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5210-01154. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.