As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERIODIC INSPECTION (500HR) AND COMPLIANCE OF ECF SB 05.11. FOUND CRACKED SPAR ON T/R BLADE SN 9289. THIS IS THE 3TH T/R BLADE WE HAVE REJECTED IN 6 MONTHS. ALL HAVE HAD THE EXACT SAME CRACK. SUGGEST MANUFACTURER REEVALUATE. THE MFG PROCESS OF THESE FLIGHT CONTROL ROTATING COMPONENTS.