What was found
OWNER HAD OIL LEAK, UPON INSPECTION, FOUND OIL DRIPPING FROM OIL SUMP FWD OF RT INTAKE PORT. REMOVED OIL SUMP, FOUND AREA APPROX. 2.5 INCHES IN DIA. PITTED AND CORRODED. ONE AREA HAD PITTED THROUGH AND LEAKED. ENTIRE AREA WAS CLOSE TO PITTING THROUGH. IAW MFG TECH, WAS CAUSED BY TOO MUCH TIME ON OIL AND AIRCRAFT NOT FLOWN ENOUGH TO KEEP MOISTURE OUT OF OIL.