As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON COMPLETEING MAINTENANCE ON RT ENGINE, IT WAS NOTICED THAT THE ENGINE MOUNT WAS CRACKED AT A WELD JOINT ABOUT 6 INCHES BELOW THE RT UPPER ISOLATION MOUNT. THE CRACK HAS FOLLOWED THE WELD LAP AND OUT INTO THE TUBE FOR ABOUT TWO THIRDS THE WAY AROUND THE TUBE.