What was found
HEAVY METAL CONTAMINATION ON UPPER AND LOWER CHIP PLUGS. METAL FOUND IN NICAD EXTERNAL OIL FILTER ALSO. ALL CONTAMINATION WAS FERROUS METAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEAVY METAL CONTAMINATION ON UPPER AND LOWER CHIP PLUGS. METAL FOUND IN NICAD EXTERNAL OIL FILTER ALSO. ALL CONTAMINATION WAS FERROUS METAL.