As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING O/H OF THE STAGE 1 HPT DISK AFTER 18642 HRS AND 3330 CYCLES SINCE NEW. INSP OF THE DISK IAW ATA 72-53-02 INSP 001 REVEALED 5 OFF CRACKS DURING A CLASS G FPI. 4 OFF CRACKS WERE NOTED TO THE EDGE OF THE LOWER PRESSURE FACE AND 1 OFF CRACK NOTED TO THE EDGE OF THE UPPER PRESSURE FACE. ALL CRACKS WERE APPROX 0.5" IN LENGTH. THE OEM HAS BEEN INFORMED.