As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION EXHAUST STAIN WAS OBSERVED ON THE TURBOCHARGER MOUNT IN THE AREA WHERE THE TURBOCHARGER AND THE TRANSITION MEET AND FACE THE TURBO MOUNT. THE TURBO WAS REMOVED AND A CRACK WAS FOUND IN THE DIVIDE WHICH CAUSED THE TRANSITION TO WARP AND LEAK EXHAUST GASES. THE PART WAS REMOVED AND REPLACED.