As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAL CRACKED AT FLANGE. SB 72-0840 AUTHORIZES INSTALLATION OF THIS PART TO PROVIDE INCREASED SEAL PLATE TENSION AGAINST THE 1ST STAGE ROTOR ASSY. INCREASED TENSION CAUSES CRACKING AT FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIMIT 20,000 CYCLES. PART TOTAL CYCLES, 12,410.