As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SAFETY INSPECTION, A MECHANIC NOTED NUMEROUS RUBBER SEGMENTS (CHUNKS) MISSING FROM EVERY OTHER SEGMENT ON THIS NEW FAA/PMA PART. THIS COUPLING WAS IN THE NR 8 POSITION DIRECTLY UNDER THE TAIL ROTOR GEARBOX ATTACHED TO THE TAIL ROTOR GEARBOX INPUT. SUBMITTER STATED INADEQUATE RUBBER ON THIS NEW FAA/PMA PART. REPLACED FLEX COUPLING IAW S-58T MM.