What was found
ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON N1 COUPLING FORWARD I.D. SPLINES. INSTALLED NEW N1 COUPLING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON N1 COUPLING FORWARD I.D. SPLINES. INSTALLED NEW N1 COUPLING.