As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PART BEGAN LEAKING DURING NORMAL SERVICE DUE TO EPOXY FAILURE. EPOXY WAS USED OVER A CRACK IN THE OIL COOLER WHICH WORKED ITS WAY TO THE SURFACE OF THE HARDENED EPOXY. SUBMITTER RECOMMENDED ELIMINATING THE USE OF EPOXY IN OIL COOLERS. (X)