As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THOTTLE SPLIT AND UNABLE TO OBTAIN RATED POWER ON LEFT ENGINE. INSPECTION OF LEFT ENGINE REVEALED EXHAUST V-DUCT ASSY AT TURBOCHARGER CRACKED. THIS PART WAS INSTALLED NEW AS A COMPONENT OF A FACTORY RE-MANUFACTURED ENGINE. TOTAL TIME SINCE INSTALLED WAS 78 HOURS. CAUSE OF CRACKING IS UNDER INVESTIGATION. (X)