As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION FOR CAM, FOUND PART CRACKED 15 PLACES. SB 72-0840 AUTHORIZES INSTALLATION OF PN 3107085-2 TO PROVIDE INCREASED SEAL PLATE TENSION AGAINST THE FIRST STAGE ROTOR ASSEMBLY BY INCORPORATING A SHIM BETWEEN THE AIR SEAL AND CURVIC COUPLING. INCREASED TENSION ON THE SEAL FLANGE RESULTS IN CRACKING AT THE SEAL PLATE FLANGE; 3714 CYCLES, 3735:28 HOURS IN SERVICE SINCE COMPLIANCE WITH SB 72-0840.