As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAL FOUND CRACKED AT SEALING FLANGE. SB 72-0840 AUTHORIZES INSTALLATION OF THIS PART TO PROVIDE INCREASED SEAL TENSION AGAINST FIRST ROTOR ASSY. INCREASED TENSION RESULTS IN CRACKING AT FLANGE. PART IS A CRITICAL LIFE LIMITED ROTATING GROUP COMPONENT. LIMIT 20,000 CYCLES. PART TOTAL CYCLES, 10,462.