As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISK-HPT STG 1 DISPLAYS 111 SEPARATE INDENTATION TO SURFACE DT ON THE AFT SHAFT SPLINE AREAS. DR #02396459 STATES: THE CONDITION IDENTIFIED DEPARTS FROM THE INSTRUCTION FOR CONTINUED AIRWORTHINESS (ICA). THE CONDITION HAS BEEN EVALUATED AND A RECOMMENDATION TO DEPART FROM THE ICA CANNOT BE PROVIDED BECAUSE THE CONDITION COULD NOT BE SUBSTANTIATED. TO BE REPORTED IAW AMC-20 8A (J) ANY DEFECT IN A LIFE-CONTROLLED CRITICAL PART THAT CAUSES ITS RETIREMENT BEFORE THE COMPLETION OF ITS FULL-SERVICE LIFE.