As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(WATER SEPARATOR) RECEIVED PAR, INCOMING INSPECTION REVEALS CORROSION AND PITTING AT NUMEROUS POSITIONS AROUND CIRCUMFERENCE OF AIR INLET FLANGE. PART FAILED INCOMING INSPECTION. 8130-3 STATES PART IS AN OVERHAULED UNIT. W/O CERTIFIES PART AS AIRWORTHY. PART APPEARS TO HAVE CORROSION FOR CONSIDERABLE TIME.