AD 85-06-04 Contaminants in Fuel System

Title: Piper Model of J-3, J-4, J-5, PA-11, PA-12, PA-14, PA-15, PA-16, PA-17, PA-18, PA-18A, PA-20, and PA-22 Series Airplanes

Effective Date: May 4, 1985

Subject: Engine stoppage or malfunction due to the accumulation of water or other contaminants in fuel system