As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND LEFT AND RIGHT ENGINE MOUNTS CRACKED. CRACKS WERE LOCATED ON TOP RIGHT MOUNT WHERE MOUNT RING AND TUBE FROM FIREWALL ARE WELDED. CRACK WAS ALONG EDGE OF WELD. CRACKS WERE NOT DETECTABLE UNTIL PAINT WAS REMOVED AND INSPECTION AIDS WERE USED. OPERATOR HAS INCREASED INSPECTION FREQUENCY.