As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN FATIGUE FAILURE TESTING AT THE MANUFACTURER, TWO MANIFOLDS FAILED BY AXIAL CRACKING ALONG THE ACTUATOR CENTERLINE. THE ROOT CAUSE OF THE FAILURE WAS TRACED TO BATCHES FROM A PARTICULAR SUPPLIER THAT PARKER USES. PART WAS NOT ON AN AIRCRAFT IN SERVICE.