As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE REMOVED DUE TO NR3 & NR4 WHEEL CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: COATING FLAKING FROM EXHAUST COLLECTOR LAB SEAL FLANGE AND CRACKED BEYOND SERVICEABLE LIMITS. INSTALLED A STANDARD AERO OVERHAULED EXHAUST COLLECTOR.