As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSP AT THE 30 HOUR INTERVAL, A CRACK IN THE BLUE BLADE FREQ ADAPTER T/E SIDE WAS FOUND TO EXCEED THE MM LIMITATION OF 10 MM FOR CRACKS IN THE ELASTOMER. IAW MFG REQUIREMENTS ALL 3 ADAPTERS RENEWED. THIS IS A VERY COMMON FAILURE FOR A PART THAT HAS 3000 HOURS SERVICE LIFE LIMIT, SUGGEST REFORMULATION OF ELASTOMER. (K)