As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MAIN CASTING, WHICH HOUSES THE BRAKE CALIPER PISTONS LEAKS FLUID UNDER NORMAL BRAKING PRESSURE. THE LEAKS ARE FROM EXCESSIVE POROSITY IN THE CASTING. CASTING THIS IS THE SECOND OCCURRENCE IN OUR OPERATIONS. THE FIRST WAS NOT REPORTED. (K)