SB-23 Piper J-4 Removal of Bug Screen

Piper Service Bulletin No. 23

Applicability: Piper J4 Cubs serial numbers 4-710 thru 4-823

System: Engine

Issue Date: February 18, 1946

Subject: Removal of Bug Screen

Summary: As a precautionary measure, the Civil Aeronautics Authority requests that the bug screen installed inside the carburetor air scoop be removed.

Open PDF: PIP_SB23.pdf