As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE MOUNT WAS INSTALLED NEW IAW STC SH99-11. POWER PLANT WAS ALIGNED IAW MM SUPPLEMENT. THE MM SUPPLEMENT INCLUDES AN INSP EVERY 100 HRS OR ANNUALLY. NOTE TO INSPECT ENGINE MOUNTS FOR CRACKS, DAMAGE, CORROSION AND SECURITY. THE CRACK STARTED BELOW THE MOUNT BETWEEN THE WELDS AND MOVES INWARD. ACFT WAS CHECKED FOR VIBRATION AND ALIGNMENT NO DEFECTS NOTED.