What was found
WHEN INSPECTING FILTER ADAPTER IAW SEB 93-1R1A, FOUND FRETTING OF THE MOUNTING THREADS. THIS RENDERED THE ADAPTER UNAIRWORTHY. ADAPTER REPLACED WITH NEW UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN INSPECTING FILTER ADAPTER IAW SEB 93-1R1A, FOUND FRETTING OF THE MOUNTING THREADS. THIS RENDERED THE ADAPTER UNAIRWORTHY. ADAPTER REPLACED WITH NEW UNIT.