As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL STRAINER ASSEMBLY FOUND TO HAVE SEVERE CORROSION ON THE INLET TUBE WHERE THE FILTER TOUCHES IT. THIS CAUSED HOLES IN THE TUBE AND ALLOWED UNFILTERED FUEL TO THE ENGINE. SUBMITTER STATED SAME PART NUMBER IS USED ON ALL 82-84 C210'S. SUSPECT DISSIMILAR METALS.