SB-28 Piper J-4 Electrical Wiring

Piper Service Bulletin No. 28

Applicability: Piper J4 Cub serial numbers 4-400 thru 4-769

System: Electrical

Issue Date: February 18, 1946

Subject: Electrical Wiring

Summary: Information about certain features in the electrical wiring system of the Piper J-4 aircraft which the Civil Aviation Authority feels should be corrected.

Open PDF: PIP_SB28.pdf