As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND MASSIVE AMOUNTS OF CORROSION INSIDE CYCLIC JACKSHAFT. MANUFACTURER ALLOWS .4MM. IT APPEARS LITTLE OR NO PAINT TREATMENT ON INTERIOR OF STEEL TUBE. THE TUBE HAS CASTINGS ON EACH END ANGLED UP AT 45 DEGREES WHICH INCREASES CHANCE OF GETTING FLUIDS INSIDE. THERE ARE NO PROVISIONS FOR DRAINAGE. SUBMITTER SUGGESTED MANUFACTURER TREAT INTERIOR AND PROVIDE DRAINAGE. (X)