What was found
(CAN) PROPELLER CONSTANT SPEED UNIT FAILED WHEN SHEAF FAILED AND LET GO AT SWEDGED JOINT. SUBMITTER SUGGESTS THAT THIS PART, WHICH IS ON CONDITION, BE MADE A LIFE LIMITED PART. IT IS STATED THAT THERE IS NO INSPECTION METHOD THAT CAN BE USED TO DETECT WEAR WHEN THE UNIT IS IN SERVICE. THERE IS AN IMPROVED PART, BUT IT IS ONLY RECOMMENDED AFTER FAILURE, IT IS NOT A MANDATORY REQUIREMENT.