Piper Service Bulletin No. 1041
Applicability: Piper PA-18 thru PA-46
System: Engine
Issue Date: November 25, 2000
Subject: Inspection and Cleaning of Airborne Air Filter Elements
Summary: The possibility exists where the airplane's gyro vacuum/pressure system may become contaminated by loose particles originating from the air filter element.
Open PDF: PIP_SB1041.pdf