What was found
(CAN) EXCESSIVE DAMAGE TO SPLINES OF ADAPTER AND INNER SPLINES OF THE COMPRESSOR TO TURBINE COUPLING SHAFT. IN SOME CASEA SPLINE TOOTH IS COMPLETELY SHEARED OFF.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) EXCESSIVE DAMAGE TO SPLINES OF ADAPTER AND INNER SPLINES OF THE COMPRESSOR TO TURBINE COUPLING SHAFT. IN SOME CASEA SPLINE TOOTH IS COMPLETELY SHEARED OFF.